151063640 has 128 divisors (see below), whose sum is σ = 427714560. Its totient is φ = 46738944.

The previous prime is 151063631. The next prime is 151063643. The reversal of 151063640 is 46360151.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151063643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 170639 + ... + 171521.

It is an arithmetic number, because the mean of its divisors is an integer number (3341520).

Almost surely, 2^151063640 is an apocalyptic number.

151063640 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 151063640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213857280).

151063640 is an abundant number, since it is smaller than the sum of its proper divisors (276650920).

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

151063640 is a wasteful number, since it uses less digits than its factorization.

151063640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961 (or 957 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 151063640 is about 12290.7949295397. The cubic root of 151063640 is about 532.5822013034.

The spelling of 151063640 in words is "one hundred fifty-one million, sixty-three thousand, six hundred forty".