156664461252166 has 16 divisors (see below), whose sum is σ = 268629203695104. Its totient is φ = 67126523006664.

The previous prime is 156664461252139. The next prime is 156664461252181. The reversal of 156664461252166 is 661252164466651.

It is a super-3 number, since 3×156664461252166³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1282349950 + ... + 1282472113.

It is an arithmetic number, because the mean of its divisors is an integer number (16789325230944).

Almost surely, 2^{156664461252166} is an apocalyptic number.

156664461252166 is a deficient number, since it is larger than the sum of its proper divisors (111964742442938).

156664461252166 is a wasteful number, since it uses less digits than its factorization.

156664461252166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2564826435.

The product of its digits is 74649600, while the sum is 61.

The spelling of 156664461252166 in words is "one hundred fifty-six trillion, six hundred sixty-four billion, four hundred sixty-one million, two hundred fifty-two thousand, one hundred sixty-six".