264401061131645 has 8 divisors (see below), whose sum is σ = 317367234169440. Its totient is φ = 211463541697680.

The previous prime is 264401061131639. The next prime is 264401061131659. The reversal of 264401061131645 is 546131160104462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 264401061131645 - 2²⁴ = 264401044354429 is a prime.

It is a super-2 number, since 2×264401061131645² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 264401061131596 and 264401061131605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7163380655 + ... + 7163417564.

It is an arithmetic number, because the mean of its divisors is an integer number (39670904271180).

Almost surely, 2^{264401061131645} is an apocalyptic number.

It is an amenable number.

264401061131645 is a deficient number, since it is larger than the sum of its proper divisors (52966173037795).

264401061131645 is a wasteful number, since it uses less digits than its factorization.

264401061131645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14326801915.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 264401061131645 in words is "two hundred sixty-four trillion, four hundred one billion, sixty-one million, one hundred thirty-one thousand, six hundred forty-five".