164992986111 has 16 divisors (see below), whose sum is σ = 223708408928. Its totient is φ = 108138240000.

The previous prime is 164992986083. The next prime is 164992986211. The reversal of 164992986111 is 111689299461.

It is not a de Polignac number, because 164992986111 - 2¹⁴ = 164992969727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164992986211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145611 + ... + 592611.

It is an arithmetic number, because the mean of its divisors is an integer number (13981775558).

Almost surely, 2^164992986111 is an apocalyptic number.

164992986111 is a deficient number, since it is larger than the sum of its proper divisors (58715422817).

164992986111 is a wasteful number, since it uses less digits than its factorization.

164992986111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449082.

The product of its digits is 1679616, while the sum is 57.

The spelling of 164992986111 in words is "one hundred sixty-four billion, nine hundred ninety-two million, nine hundred eighty-six thousand, one hundred eleven".