665470028162 has 16 divisors (see below), whose sum is σ = 1035744110592. Its totient is φ = 320333218560.

The previous prime is 665470028123. The next prime is 665470028191. The reversal of 665470028162 is 261820074566.

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, 27794738 + ... + 27818669.

It is an arithmetic number, because the mean of its divisors is an integer number (64734006912).

Almost surely, 2^665470028162 is an apocalyptic number.

665470028162 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

665470028162 is a deficient number, since it is larger than the sum of its proper divisors (370274082430).

665470028162 is a wasteful number, since it uses less digits than its factorization.

665470028162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55613633.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 665470028162 in words is "six hundred sixty-five billion, four hundred seventy million, twenty-eight thousand, one hundred sixty-two".