1671020464 has 20 divisors (see below), whose sum is σ = 3298690656. Its totient is φ = 819745472.

The previous prime is 1671020453. The next prime is 1671020471. The reversal of 1671020464 is 4640201761.

It is a super-2 number, since 2×1671020464² = 5584618782213550592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 984424 + ... + 986119.

Almost surely, 2^1671020464 is an apocalyptic number.

It is an amenable number.

1671020464 is a deficient number, since it is larger than the sum of its proper divisors (1627670192).

1671020464 is a wasteful number, since it uses less digits than its factorization.

1671020464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970604 (or 1970598 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 1671020464 is about 40878.1171777762. The cubic root of 1671020464 is about 1186.6626033330.

The spelling of 1671020464 in words is "one billion, six hundred seventy-one million, twenty thousand, four hundred sixty-four".