1656889048 has 32 divisors (see below), whose sum is σ = 3206815920. Its totient is φ = 802048000.

The previous prime is 1656889033. The next prime is 1656889057. The reversal of 1656889048 is 8409886561.

It is a self number, because there is not a number n which added to its sum of digits gives 1656889048.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23688 + ... + 62248.

Almost surely, 2^1656889048 is an apocalyptic number.

It is an amenable number.

1656889048 is a deficient number, since it is larger than the sum of its proper divisors (1549926872).

1656889048 is a wasteful number, since it uses less digits than its factorization.

1656889048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38739 (or 38735 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 55.

The square root of 1656889048 is about 40704.9020143766. The cubic root of 1656889048 is about 1183.3080229637.

The spelling of 1656889048 in words is "one billion, six hundred fifty-six million, eight hundred eighty-nine thousand, forty-eight".