151657380 has 192 divisors, whose sum is σ = 550126080. Its totient is φ = 33965568.

The previous prime is 151657367. The next prime is 151657393. The reversal of 151657380 is 83756151.

151657380 is a `hidden beast` number, since 1 + 5 + 1 + 6 + 573 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (151657367) and next prime (151657393).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 199962 + ... + 200718.

It is an arithmetic number, because the mean of its divisors is an integer number (2865240).

Almost surely, 2^151657380 is an apocalyptic number.

151657380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151657380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275063040).

151657380 is an abundant number, since it is smaller than the sum of its proper divisors (398468700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151657380 is a wasteful number, since it uses less digits than its factorization.

151657380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835 (or 827 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 151657380 is about 12314.9250911242. The cubic root of 151657380 is about 533.2790422166.

The spelling of 151657380 in words is "one hundred fifty-one million, six hundred fifty-seven thousand, three hundred eighty".