151011630 has 216 divisors, whose sum is σ = 503802936. Its totient is φ = 31268160.

The previous prime is 151011599. The next prime is 151011643. The reversal of 151011630 is 36110151.

151011630 is a `hidden beast` number, since 15 + 10 + 11 + 630 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 533469 + ... + 533751.

It is an arithmetic number, because the mean of its divisors is an integer number (2332421).

Almost surely, 2^151011630 is an apocalyptic number.

151011630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 151011630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251901468).

151011630 is an abundant number, since it is smaller than the sum of its proper divisors (352791306).

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

151011630 is a wasteful number, since it uses less digits than its factorization.

151011630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 151011630 is about 12288.6789363218. The cubic root of 151011630 is about 532.5210730271.

Adding to 151011630 its reverse (36110151), we get a palindrome (187121781).

The spelling of 151011630 in words is "one hundred fifty-one million, eleven thousand, six hundred thirty".