1018668475 has 48 divisors (see below), whose sum is σ = 1467897120. Its totient is φ = 693043200.

The previous prime is 1018668467. The next prime is 1018668491. The reversal of 1018668475 is 5748668101.

It is not a de Polignac number, because 1018668475 - 2³ = 1018668467 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 901711 + ... + 902839.

It is an arithmetic number, because the mean of its divisors is an integer number (30581190).

Almost surely, 2^1018668475 is an apocalyptic number.

1018668475 is a deficient number, since it is larger than the sum of its proper divisors (449228645).

1018668475 is a wasteful number, since it uses less digits than its factorization.

1018668475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360 (or 1355 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 1018668475 is about 31916.5862052946. The cubic root of 1018668475 is about 1006.1844981346.

The spelling of 1018668475 in words is "one billion, eighteen million, six hundred sixty-eight thousand, four hundred seventy-five".