1660469672 has 32 divisors (see below), whose sum is σ = 3135871200. Its totient is φ = 824261184.

The previous prime is 1660469653. The next prime is 1660469689. The reversal of 1660469672 is 2769640661.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

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, 693854 + ... + 696242.

It is an arithmetic number, because the mean of its divisors is an integer number (97995975).

Almost surely, 2^1660469672 is an apocalyptic number.

It is an amenable number.

1660469672 is a deficient number, since it is larger than the sum of its proper divisors (1475401528).

1660469672 is a wasteful number, since it uses less digits than its factorization.

1660469672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2985 (or 2981 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 1660469672 is about 40748.8609902166. The cubic root of 1660469672 is about 1184.1598065432.

The spelling of 1660469672 in words is "one billion, six hundred sixty million, four hundred sixty-nine thousand, six hundred seventy-two".