696645049056 has 96 divisors (see below), whose sum is σ = 1995422397696. Its totient is φ = 211053312000.

The previous prime is 696645048919. The next prime is 696645049057. The reversal of 696645049056 is 650940546696.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×696645049056² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696645049057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4389976 + ... + 4545896.

It is an arithmetic number, because the mean of its divisors is an integer number (20785649976).

Almost surely, 2^696645049056 is an apocalyptic number.

696645049056 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

696645049056 is an abundant number, since it is smaller than the sum of its proper divisors (1298777348640).

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

696645049056 is a wasteful number, since it uses less digits than its factorization.

696645049056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160176 (or 160168 counting only the distinct ones).

The product of its (nonzero) digits is 41990400, while the sum is 60.

The spelling of 696645049056 in words is "six hundred ninety-six billion, six hundred forty-five million, forty-nine thousand, fifty-six".