1392770801664 has 672 divisors, whose sum is σ = 4563543628800. Its totient is φ = 405621964800.

The previous prime is 1392770801641. The next prime is 1392770801677. The reversal of 1392770801664 is 4661080772931.

1392770801664 is a `hidden beast` number, since 139 + 277 + 0 + 80 + 166 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1392770801664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2325159637 + ... + 2325160235.

Almost surely, 2^{1392770801664} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1392770801664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2281771814400).

1392770801664 is an abundant number, since it is smaller than the sum of its proper divisors (3170772827136).

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

1392770801664 is a wasteful number, since it uses less digits than its factorization.

1392770801664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750 (or 723 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 1392770801664 in words is "one trillion, three hundred ninety-two billion, seven hundred seventy million, eight hundred one thousand, six hundred sixty-four".