164500987726 has 16 divisors (see below), whose sum is σ = 247232225520. Its totient is φ = 82090324800.

The previous prime is 164500987697. The next prime is 164500987753. The reversal of 164500987726 is 627789005461.

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, 4690765 + ... + 4725703.

It is an arithmetic number, because the mean of its divisors is an integer number (15452014095).

Almost surely, 2^164500987726 is an apocalyptic number.

164500987726 is a deficient number, since it is larger than the sum of its proper divisors (82731237794).

164500987726 is a wasteful number, since it uses less digits than its factorization.

164500987726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39459.

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 164500987726 in words is "one hundred sixty-four billion, five hundred million, nine hundred eighty-seven thousand, seven hundred twenty-six".