1656959942 has 32 divisors (see below), whose sum is σ = 2858630400. Its totient is φ = 712389600.

The previous prime is 1656959933. The next prime is 1656959947. The reversal of 1656959942 is 2499596561.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1656959947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293567 + ... + 299157.

It is an arithmetic number, because the mean of its divisors is an integer number (89332200).

Almost surely, 2^1656959942 is an apocalyptic number.

1656959942 is a deficient number, since it is larger than the sum of its proper divisors (1201670458).

1656959942 is a wasteful number, since it uses less digits than its factorization.

1656959942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6332.

The product of its digits is 5248800, while the sum is 56.

The square root of 1656959942 is about 40705.7728338377. The cubic root of 1656959942 is about 1183.3248996203.

The spelling of 1656959942 in words is "one billion, six hundred fifty-six million, nine hundred fifty-nine thousand, nine hundred forty-two".