1662260172 has 24 divisors (see below), whose sum is σ = 3927705600. Its totient is φ = 547072656.

The previous prime is 1662260161. The next prime is 1662260177. The reversal of 1662260172 is 2710622661.

It is not an unprimeable number, because it can be changed into a prime (1662260177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 875772 + ... + 877667.

It is an arithmetic number, because the mean of its divisors is an integer number (163654400).

Almost surely, 2^1662260172 is an apocalyptic number.

1662260172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1662260172 is an abundant number, since it is smaller than the sum of its proper divisors (2265445428).

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

1662260172 is a wasteful number, since it uses less digits than its factorization.

1662260172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753525 (or 1753523 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 1662260172 is about 40770.8250100485. The cubic root of 1662260172 is about 1184.5852838514.

The spelling of 1662260172 in words is "one billion, six hundred sixty-two million, two hundred sixty thousand, one hundred seventy-two".