156645214166 has 32 divisors (see below), whose sum is σ = 271195292160. Its totient is φ = 66468761856.

The previous prime is 156645214163. The next prime is 156645214189. The reversal of 156645214166 is 661412546651.

It is a super-2 number, since 2×156645214166² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 156645214166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156645214163) 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, 11845190 + ... + 11858406.

It is an arithmetic number, because the mean of its divisors is an integer number (8474852880).

Almost surely, 2^156645214166 is an apocalyptic number.

156645214166 is a deficient number, since it is larger than the sum of its proper divisors (114550077994).

156645214166 is a wasteful number, since it uses less digits than its factorization.

156645214166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21548.

The product of its digits is 1036800, while the sum is 47.

The spelling of 156645214166 in words is "one hundred fifty-six billion, six hundred forty-five million, two hundred fourteen thousand, one hundred sixty-six".