164256661302 has 16 divisors (see below), whose sum is σ = 329141461440. Its totient is φ = 54647530632.

The previous prime is 164256661297. The next prime is 164256661319. The reversal of 164256661302 is 203166652461.

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, 26169052 + ... + 26175327.

It is an arithmetic number, because the mean of its divisors is an integer number (20571341340).

Almost surely, 2^164256661302 is an apocalyptic number.

164256661302 is an abundant number, since it is smaller than the sum of its proper divisors (164884800138).

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

164256661302 is a wasteful number, since it uses less digits than its factorization.

164256661302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52344907.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 164256661302 in words is "one hundred sixty-four billion, two hundred fifty-six million, six hundred sixty-one thousand, three hundred two".