36664627226461 has 32 divisors (see below), whose sum is σ = 40786357248000. Its totient is φ = 32730299735040.

The previous prime is 36664627226351. The next prime is 36664627226473. The reversal of 36664627226461 is 16462272646663.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 36664627226461 - 2²³ = 36664618837853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36664627226461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36664627220461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6268526265 + ... + 6268532113.

It is an arithmetic number, because the mean of its divisors is an integer number (1274573664000).

Almost surely, 2^{36664627226461} is an apocalyptic number.

36664627226461 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

36664627226461 is a deficient number, since it is larger than the sum of its proper divisors (4121730021539).

36664627226461 is a wasteful number, since it uses less digits than its factorization.

36664627226461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13789.

The product of its digits is 125411328, while the sum is 61.

The spelling of 36664627226461 in words is "thirty-six trillion, six hundred sixty-four billion, six hundred twenty-seven million, two hundred twenty-six thousand, four hundred sixty-one".