1656672922 has 16 divisors (see below), whose sum is σ = 2569964544. Its totient is φ = 800118000.

The previous prime is 1656672917. The next prime is 1656672923. The reversal of 1656672922 is 2292766561.

It is not an unprimeable number, because it can be changed into a prime (1656672923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8847 + ... + 58237.

It is an arithmetic number, because the mean of its divisors is an integer number (160622784).

Almost surely, 2^1656672922 is an apocalyptic number.

1656672922 is a deficient number, since it is larger than the sum of its proper divisors (913291622).

1656672922 is a wasteful number, since it uses less digits than its factorization.

1656672922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49965.

The product of its digits is 544320, while the sum is 46.

The square root of 1656672922 is about 40702.2471369825. The cubic root of 1656672922 is about 1183.2565701621.

The spelling of 1656672922 in words is "one billion, six hundred fifty-six million, six hundred seventy-two thousand, nine hundred twenty-two".