151166440 has 16 divisors (see below), whose sum is σ = 340124580. Its totient is φ = 60466560.

The previous prime is 151166417. The next prime is 151166443. The reversal of 151166440 is 44661151.

It can be written as a sum of positive squares in 2 ways, for example, as 136282276 + 14884164 = 11674^2 + 3858^2 .

It is a junction number, because it is equal to n+sod(n) for n = 151166399 and 151166408.

It is not an unprimeable number, because it can be changed into a prime (151166443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1889541 + ... + 1889620.

Almost surely, 2^151166440 is an apocalyptic number.

151166440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151166440 is an abundant number, since it is smaller than the sum of its proper divisors (188958140).

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

151166440 is a wasteful number, since it uses less digits than its factorization.

151166440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3779172 (or 3779168 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 151166440 is about 12294.9762098184. The cubic root of 151166440 is about 532.7029827080.

The spelling of 151166440 in words is "one hundred fifty-one million, one hundred sixty-six thousand, four hundred forty".