1916196573970 has 48 divisors (see below), whose sum is σ = 4150635537240. Its totient is φ = 634327137024.

The previous prime is 1916196573911. The next prime is 1916196574009. The reversal of 1916196573970 is 793756916191.

It can be written as a sum of positive squares in 4 ways, for example, as 1334849797449 + 581346776521 = 1155357^2 + 762461^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67410019 + ... + 67438438.

Almost surely, 2^{1916196573970} is an apocalyptic number.

1916196573970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1916196573970 is an abundant number, since it is smaller than the sum of its proper divisors (2234438963270).

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

1916196573970 is a wasteful number, since it uses less digits than its factorization.

1916196573970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134848507 (or 134848500 counting only the distinct ones).

The product of its (nonzero) digits is 19289340, while the sum is 64.

The spelling of 1916196573970 in words is "one trillion, nine hundred sixteen billion, one hundred ninety-six million, five hundred seventy-three thousand, nine hundred seventy".