690659948164365 has 48 divisors (see below), whose sum is σ = 1209268147928256. Its totient is φ = 364626770860800.

The previous prime is 690659948164337. The next prime is 690659948164367. The reversal of 690659948164365 is 563461849956096.

690659948164365 is a `hidden beast` number, since 6 + 9 + 0 + 6 + 5 + 9 + 94 + 8 + 164 + 365 = 666.

It is not a de Polignac number, because 690659948164365 - 2¹² = 690659948160269 is a prime.

It is a super-2 number, since 2×690659948164365² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690659948164367) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49337376 + ... + 61769705.

It is an arithmetic number, because the mean of its divisors is an integer number (25193086415172).

Almost surely, 2^{690659948164365} is an apocalyptic number.

It is an amenable number.

690659948164365 is a deficient number, since it is larger than the sum of its proper divisors (518608199763891).

690659948164365 is a wasteful number, since it uses less digits than its factorization.

690659948164365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111108490 (or 111108487 counting only the distinct ones).

The product of its (nonzero) digits is 9069926400, while the sum is 81.

The spelling of 690659948164365 in words is "six hundred ninety trillion, six hundred fifty-nine billion, nine hundred forty-eight million, one hundred sixty-four thousand, three hundred sixty-five".