761645266104 has 64 divisors (see below), whose sum is σ = 2070609588000. Its totient is φ = 232489488384.

The previous prime is 761645266091. The next prime is 761645266153. The reversal of 761645266104 is 401662546167.

It is a super-2 number, since 2×761645266104² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 25211629 + ... + 25241820.

Almost surely, 2^761645266104 is an apocalyptic number.

761645266104 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

761645266104 is an abundant number, since it is smaller than the sum of its proper divisors (1308964321896).

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

761645266104 is a wasteful number, since it uses less digits than its factorization.

761645266104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50453512 (or 50453508 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 761645266104 in words is "seven hundred sixty-one billion, six hundred forty-five million, two hundred sixty-six thousand, one hundred four".