6990082171 has 16 divisors (see below), whose sum is σ = 7251678720. Its totient is φ = 6734092320.

The previous prime is 6990082129. The next prime is 6990082243. The reversal of 6990082171 is 1712800996.

It is a cyclic number.

It is not a de Polignac number, because 6990082171 - 2²⁷ = 6855864443 is a prime.

It is a super-2 number, since 2×6990082171² = 97722497514664146482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6990082471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1015086 + ... + 1021948.

It is an arithmetic number, because the mean of its divisors is an integer number (453229920).

Almost surely, 2^6990082171 is an apocalyptic number.

6990082171 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

6990082171 is a deficient number, since it is larger than the sum of its proper divisors (261596549).

6990082171 is a wasteful number, since it uses less digits than its factorization.

6990082171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7266.

The product of its (nonzero) digits is 54432, while the sum is 43.

The square root of 6990082171 is about 83606.7112796574. The cubic root of 6990082171 is about 1912.0273212711.

The spelling of 6990082171 in words is "six billion, nine hundred ninety million, eighty-two thousand, one hundred seventy-one".