1048671657 has 32 divisors (see below), whose sum is σ = 1705052160. Its totient is φ = 631722960.

The previous prime is 1048671653. The next prime is 1048671667. The reversal of 1048671657 is 7561768401.

1048671657 is a `hidden beast` number, since 1 + 0 + 486 + 7 + 165 + 7 = 666.

It is not a de Polignac number, because 1048671657 - 2² = 1048671653 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1048671653) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39028 + ... + 60170.

It is an arithmetic number, because the mean of its divisors is an integer number (53282880).

Almost surely, 2^1048671657 is an apocalyptic number.

It is an amenable number.

1048671657 is a deficient number, since it is larger than the sum of its proper divisors (656380503).

1048671657 is a wasteful number, since it uses less digits than its factorization.

1048671657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21330 (or 21324 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 1048671657 is about 32383.2002278959. The cubic root of 1048671657 is about 1015.9675654726.

The spelling of 1048671657 in words is "one billion, forty-eight million, six hundred seventy-one thousand, six hundred fifty-seven".