64811682260700 has 144 divisors (see below), whose sum is σ = 187747974048096. Its totient is φ = 17262282444800.

The previous prime is 64811682260683. The next prime is 64811682260701. The reversal of 64811682260700 is 706228611846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64811682260701) 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, 856794880 + ... + 856870520.

It is an arithmetic number, because the mean of its divisors is an integer number (1303805375334).

Almost surely, 2^{64811682260700} is an apocalyptic number.

64811682260700 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64811682260700 is an abundant number, since it is smaller than the sum of its proper divisors (122936291787396).

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

64811682260700 is a wasteful number, since it uses less digits than its factorization.

64811682260700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79064 (or 79057 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 64811682260700 in words is "sixty-four trillion, eight hundred eleven billion, six hundred eighty-two million, two hundred sixty thousand, seven hundred".