1656358338 has 8 divisors (see below), whose sum is σ = 3312716688. Its totient is φ = 552119444.

The previous prime is 1656358337. The next prime is 1656358339. The reversal of 1656358338 is 8338536561.

It is an interprime number because it is at equal distance from previous prime (1656358337) and next prime (1656358339).

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

1656358338 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1656358337) by changing a digit.

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, 138029856 + ... + 138029867.

It is an arithmetic number, because the mean of its divisors is an integer number (414089586).

Almost surely, 2^1656358338 is an apocalyptic number.

1656358338 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.

1656358338 is a wasteful number, since it uses less digits than its factorization.

1656358338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276059728.

The product of its digits is 1555200, while the sum is 48.

The square root of 1656358338 is about 40698.3824985711. The cubic root of 1656358338 is about 1183.1816696102.

The spelling of 1656358338 in words is "one billion, six hundred fifty-six million, three hundred fifty-eight thousand, three hundred thirty-eight".