70867632785664 has 432 divisors, whose sum is σ = 223467011155136. Its totient is φ = 19805082992640.

The previous prime is 70867632785629. The next prime is 70867632785681. The reversal of 70867632785664 is 46658723676807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1356629754 + ... + 1356681990.

Almost surely, 2^{70867632785664} 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 70867632785664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111733505577568).

70867632785664 is an abundant number, since it is smaller than the sum of its proper divisors (152599378369472).

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

70867632785664 is a wasteful number, since it uses less digits than its factorization.

70867632785664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53414 (or 53389 counting only the distinct ones).

The product of its (nonzero) digits is 3413975040, while the sum is 75.

The spelling of 70867632785664 in words is "seventy trillion, eight hundred sixty-seven billion, six hundred thirty-two million, seven hundred eighty-five thousand, six hundred sixty-four".