1662492192 has 24 divisors (see below), whose sum is σ = 4364042256. Its totient is φ = 554164032.

The previous prime is 1662492173. The next prime is 1662492197. The reversal of 1662492192 is 2912942661.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (1662492197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8658718 + ... + 8658909.

It is an arithmetic number, because the mean of its divisors is an integer number (181835094).

Almost surely, 2^1662492192 is an apocalyptic number.

1662492192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1662492192 is an abundant number, since it is smaller than the sum of its proper divisors (2701550064).

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

1662492192 is a wasteful number, since it uses less digits than its factorization.

1662492192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17317640 (or 17317632 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 1662492192 is about 40773.6703277986. The cubic root of 1662492192 is about 1184.6403965017.

The spelling of 1662492192 in words is "one billion, six hundred sixty-two million, four hundred ninety-two thousand, one hundred ninety-two".