164621054156 has 12 divisors (see below), whose sum is σ = 310247371392. Its totient is φ = 75978948048.

The previous prime is 164621054131. The next prime is 164621054167. The reversal of 164621054156 is 651450126461.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1582894700 + ... + 1582894803.

It is an arithmetic number, because the mean of its divisors is an integer number (25853947616).

Almost surely, 2^164621054156 is an apocalyptic number.

It is an amenable number.

164621054156 is a deficient number, since it is larger than the sum of its proper divisors (145626317236).

164621054156 is a wasteful number, since it uses less digits than its factorization.

164621054156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3165789520 (or 3165789518 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 164621054156 in words is "one hundred sixty-four billion, six hundred twenty-one million, fifty-four thousand, one hundred fifty-six".