5260212561660 has 96 divisors (see below), whose sum is σ = 16833352166400. Its totient is φ = 1202286302208.

The previous prime is 5260212561649. The next prime is 5260212561691. The reversal of 5260212561660 is 661652120625.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10871817 + ... + 11345343.

It is an arithmetic number, because the mean of its divisors is an integer number (175347418400).

Almost surely, 2^{5260212561660} is an apocalyptic number.

It is an amenable number.

5260212561660 is an abundant number, since it is smaller than the sum of its proper divisors (11573139604740).

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

5260212561660 is a wasteful number, since it uses less digits than its factorization.

5260212561660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499995 (or 499993 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 5260212561660 in words is "five trillion, two hundred sixty billion, two hundred twelve million, five hundred sixty-one thousand, six hundred sixty".