151641556 has 36 divisors (see below), whose sum is σ = 294106624. Its totient is φ = 68357520.

The previous prime is 151641541. The next prime is 151641559. The reversal of 151641556 is 655146151.

151641556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×151641556² = 45990323012202272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151641559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60235 + ... + 62701.

Almost surely, 2^151641556 is an apocalyptic number.

It is an amenable number.

151641556 is a deficient number, since it is larger than the sum of its proper divisors (142465068).

151641556 is a wasteful number, since it uses less digits than its factorization.

151641556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2620 (or 2607 counting only the distinct ones).

The product of its digits is 18000, while the sum is 34.

The square root of 151641556 is about 12314.2826019220. The cubic root of 151641556 is about 533.2604940456.

The spelling of 151641556 in words is "one hundred fifty-one million, six hundred forty-one thousand, five hundred fifty-six".