151665655662 has 40 divisors (see below), whose sum is σ = 340161709800. Its totient is φ = 50507868816.

The previous prime is 151665655649. The next prime is 151665655697. The reversal of 151665655662 is 266556566151.

151665655662 is a `hidden beast` number, since 1 + 5 + 16 + 6 + 5 + 65 + 566 + 2 = 666.

It is a super-2 number, since 2×151665655662² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 151665655599 and 151665655608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 264712 + ... + 611067.

It is an arithmetic number, because the mean of its divisors is an integer number (8504042745).

Almost surely, 2^151665655662 is an apocalyptic number.

151665655662 is an abundant number, since it is smaller than the sum of its proper divisors (188496054138).

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

151665655662 is a wasteful number, since it uses less digits than its factorization.

151665655662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876862 (or 876853 counting only the distinct ones).

The product of its digits is 9720000, while the sum is 54.

The spelling of 151665655662 in words is "one hundred fifty-one billion, six hundred sixty-five million, six hundred fifty-five thousand, six hundred sixty-two".