1970922663936 has 156 divisors (see below), whose sum is σ = 5761681832088. Its totient is φ = 649057861632.

The previous prime is 1970922663911. The next prime is 1970922663961. The reversal of 1970922663936 is 6393662290791.

1970922663936 is a `hidden beast` number, since 19 + 7 + 0 + 9 + 226 + 6 + 393 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (1970922663911) and next prime (1970922663961).

It is a super-2 number, since 2×1970922663936² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2737636 + ... + 3381788.

It is an arithmetic number, because the mean of its divisors is an integer number (36933857898).

Almost surely, 2^{1970922663936} is an apocalyptic number.

1970922663936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1970922663936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2880840916044).

1970922663936 is an abundant number, since it is smaller than the sum of its proper divisors (3790759168152).

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

1970922663936 is an equidigital number, since it uses as much as digits as its factorization.

1970922663936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644266 (or 644241 counting only the distinct ones).

The product of its (nonzero) digits is 39680928, while the sum is 63.

The spelling of 1970922663936 in words is "one trillion, nine hundred seventy billion, nine hundred twenty-two million, six hundred sixty-three thousand, nine hundred thirty-six".