1368256164 has 48 divisors (see below), whose sum is σ = 3487524096. Its totient is φ = 414064800.

The previous prime is 1368256147. The next prime is 1368256193. The reversal of 1368256164 is 4616528631.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97299 + ... + 110469.

It is an arithmetic number, because the mean of its divisors is an integer number (72656752).

Almost surely, 2^1368256164 is an apocalyptic number.

It is an amenable number.

1368256164 is an abundant number, since it is smaller than the sum of its proper divisors (2119267932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1368256164 is a wasteful number, since it uses less digits than its factorization.

1368256164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13976 (or 13974 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 1368256164 is about 36989.9467963932. The cubic root of 1368256164 is about 1110.1691066112.

The spelling of 1368256164 in words is "one billion, three hundred sixty-eight million, two hundred fifty-six thousand, one hundred sixty-four".