1656192066 has 8 divisors (see below), whose sum is σ = 3312384144. Its totient is φ = 552064020.

The previous prime is 1656192061. The next prime is 1656192091. The reversal of 1656192066 is 6602916561.

1656192066 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

1656192066 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1656192061) 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, 138016000 + ... + 138016011.

It is an arithmetic number, because the mean of its divisors is an integer number (414048018).

Almost surely, 2^1656192066 is an apocalyptic number.

1656192066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1656192066 is a wasteful number, since it uses less digits than its factorization.

1656192066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276032016.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 1656192066 is about 40696.3397125589. The cubic root of 1656192066 is about 1183.1420774195.

The spelling of 1656192066 in words is "one billion, six hundred fifty-six million, one hundred ninety-two thousand, sixty-six".