1662097092 has 12 divisors (see below), whose sum is σ = 3878226576. Its totient is φ = 554032360.

The previous prime is 1662097043. The next prime is 1662097111. The reversal of 1662097092 is 2907902661.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 69254034 + ... + 69254057.

It is an arithmetic number, because the mean of its divisors is an integer number (323185548).

Almost surely, 2^1662097092 is an apocalyptic number.

1662097092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1662097092 is an abundant number, since it is smaller than the sum of its proper divisors (2216129484).

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

1662097092 is a wasteful number, since it uses less digits than its factorization.

1662097092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138508098 (or 138508096 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 1662097092 is about 40768.8250014640. The cubic root of 1662097092 is about 1184.5465437293.

The spelling of 1662097092 in words is "one billion, six hundred sixty-two million, ninety-seven thousand, ninety-two".