1613166556 has 12 divisors (see below), whose sum is σ = 2861713792. Its totient is φ = 795534048.

The previous prime is 1613166493. The next prime is 1613166593. The reversal of 1613166556 is 6556613161.

It is a super-2 number, since 2×1613166556² = 5204612674793802272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2761980 + ... + 2762563.

Almost surely, 2^1613166556 is an apocalyptic number.

It is an amenable number.

1613166556 is a deficient number, since it is larger than the sum of its proper divisors (1248547236).

1613166556 is a wasteful number, since it uses less digits than its factorization.

1613166556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5524620 (or 5524618 counting only the distinct ones).

The product of its digits is 97200, while the sum is 40.

The square root of 1613166556 is about 40164.2447457935. The cubic root of 1613166556 is about 1172.8066051836.

The spelling of 1613166556 in words is "one billion, six hundred thirteen million, one hundred sixty-six thousand, five hundred fifty-six".