151660166651 has 16 divisors (see below), whose sum is σ = 184148687040. Its totient is φ = 122119643520.

The previous prime is 151660166639. The next prime is 151660166663. The reversal of 151660166651 is 156661066151.

It is an interprime number because it is at equal distance from previous prime (151660166639) and next prime (151660166663).

It is a de Polignac number, because none of the positive numbers 2^k-151660166651 is a prime.

It is a super-2 number, since 2×151660166651² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151660166611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10088360 + ... + 10103381.

It is an arithmetic number, because the mean of its divisors is an integer number (11509292940).

Almost surely, 2^151660166651 is an apocalyptic number.

151660166651 is a deficient number, since it is larger than the sum of its proper divisors (32488520389).

151660166651 is a wasteful number, since it uses less digits than its factorization.

151660166651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20191814.

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 151660166651 in words is "one hundred fifty-one billion, six hundred sixty million, one hundred sixty-six thousand, six hundred fifty-one".