665356483100 has 72 divisors (see below), whose sum is σ = 1448520570000. Its totient is φ = 265277824000.

The previous prime is 665356483097. The next prime is 665356483109. The reversal of 665356483100 is 1384653566.

665356483100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×665356483100² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (665356483109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60104366 + ... + 60115434.

It is an arithmetic number, because the mean of its divisors is an integer number (20118341250).

Almost surely, 2^665356483100 is an apocalyptic number.

It is an amenable number.

665356483100 is an abundant number, since it is smaller than the sum of its proper divisors (783164086900).

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

665356483100 is a wasteful number, since it uses less digits than its factorization.

665356483100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12983 (or 12976 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 665356483100 in words is "six hundred sixty-five billion, three hundred fifty-six million, four hundred eighty-three thousand, one hundred".