164505256414 has 16 divisors (see below), whose sum is σ = 247701396096. Its totient is φ = 81938714400.

The previous prime is 164505256397. The next prime is 164505256427. The reversal of 164505256414 is 414652505461.

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, 412684 + ... + 706624.

It is an arithmetic number, because the mean of its divisors is an integer number (15481337256).

Almost surely, 2^164505256414 is an apocalyptic number.

164505256414 is a deficient number, since it is larger than the sum of its proper divisors (83196139682).

164505256414 is a wasteful number, since it uses less digits than its factorization.

164505256414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295011.

The product of its (nonzero) digits is 576000, while the sum is 43.

The spelling of 164505256414 in words is "one hundred sixty-four billion, five hundred five million, two hundred fifty-six thousand, four hundred fourteen".