1864227500164 has 12 divisors (see below), whose sum is σ = 3279478745088. Its totient is φ = 927233573000.

The previous prime is 1864227500123. The next prime is 1864227500167. The reversal of 1864227500164 is 4610057224681.

It is not an unprimeable number, because it can be changed into a prime (1864227500167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1220043412 + ... + 1220044939.

It is an arithmetic number, because the mean of its divisors is an integer number (273289895424).

Almost surely, 2^{1864227500164} is an apocalyptic number.

It is an amenable number.

1864227500164 is a deficient number, since it is larger than the sum of its proper divisors (1415251244924).

1864227500164 is a wasteful number, since it uses less digits than its factorization.

1864227500164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440088546 (or 2440088544 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 1864227500164 in words is "one trillion, eight hundred sixty-four billion, two hundred twenty-seven million, five hundred thousand, one hundred sixty-four".