697006665916 has 24 divisors (see below), whose sum is σ = 1400683253760. Its totient is φ = 300146410800.

The previous prime is 697006665869. The next prime is 697006665917. The reversal of 697006665916 is 619566600796.

It is a super-2 number, since 2×697006665916² (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 (697006665917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416869180 + ... + 416870851.

It is an arithmetic number, because the mean of its divisors is an integer number (58361802240).

Almost surely, 2^697006665916 is an apocalyptic number.

It is an amenable number.

697006665916 is an abundant number, since it is smaller than the sum of its proper divisors (703676587844).

697006665916 is a wasteful number, since it uses less digits than its factorization.

697006665916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833740065 (or 833740063 counting only the distinct ones).

The product of its (nonzero) digits is 22044960, while the sum is 61.

The spelling of 697006665916 in words is "six hundred ninety-seven billion, six million, six hundred sixty-five thousand, nine hundred sixteen".