695584135680 has 320 divisors, whose sum is σ = 2543345215488. Its totient is φ = 158866882560.

The previous prime is 695584135651. The next prime is 695584135691. The reversal of 695584135680 is 86531485596.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81227079 + ... + 81235641.

Almost surely, 2^695584135680 is an apocalyptic number.

695584135680 is a gapful number since it is divisible by the number (60) 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 695584135680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1271672607744).

695584135680 is an abundant number, since it is smaller than the sum of its proper divisors (1847761079808).

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

695584135680 is a wasteful number, since it uses less digits than its factorization.

695584135680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10107 (or 10091 counting only the distinct ones).

The product of its (nonzero) digits is 31104000, while the sum is 60.

The spelling of 695584135680 in words is "six hundred ninety-five billion, five hundred eighty-four million, one hundred thirty-five thousand, six hundred eighty".