1671006956 has 6 divisors (see below), whose sum is σ = 2924262180. Its totient is φ = 835503476.

The previous prime is 1671006917. The next prime is 1671006989. The reversal of 1671006956 is 6596001761.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208875866 + ... + 208875873.

It is an arithmetic number, because the mean of its divisors is an integer number (487377030).

Almost surely, 2^1671006956 is an apocalyptic number.

It is an amenable number.

1671006956 is a deficient number, since it is larger than the sum of its proper divisors (1253255224).

1671006956 is a wasteful number, since it uses less digits than its factorization.

1671006956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417751743 (or 417751741 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 1671006956 is about 40877.9519545684. The cubic root of 1671006956 is about 1186.6594057896.

The spelling of 1671006956 in words is "one billion, six hundred seventy-one million, six thousand, nine hundred fifty-six".