1671668552 has 64 divisors (see below), whose sum is σ = 3327436800. Its totient is φ = 786136320.

The previous prime is 1671668549. The next prime is 1671668563. The reversal of 1671668552 is 2558661761.

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 a Harshad number since it is a multiple of its sum of digits (47).

It is a junction number, because it is equal to n+sod(n) for n = 1671668497 and 1671668506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2016074 + ... + 2016902.

It is an arithmetic number, because the mean of its divisors is an integer number (51991200).

Almost surely, 2^1671668552 is an apocalyptic number.

It is an amenable number.

1671668552 is a deficient number, since it is larger than the sum of its proper divisors (1655768248).

1671668552 is a wasteful number, since it uses less digits than its factorization.

1671668552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086 (or 1082 counting only the distinct ones).

The product of its digits is 604800, while the sum is 47.

The square root of 1671668552 is about 40886.0434867450. The cubic root of 1671668552 is about 1186.8159951091.

The spelling of 1671668552 in words is "one billion, six hundred seventy-one million, six hundred sixty-eight thousand, five hundred fifty-two".