3922164981 has 24 divisors (see below), whose sum is σ = 6683549184. Its totient is φ = 2168938080.

The previous prime is 3922164949. The next prime is 3922165033. The reversal of 3922164981 is 1894612293.

3922164981 is a `hidden beast` number, since 392 + 216 + 49 + 8 + 1 = 666.

It is not a de Polignac number, because 3922164981 - 2⁵ = 3922164949 is a prime.

It is a super-2 number, since 2×3922164981² = 30766756276365460722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3922164481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1002186 + ... + 1006091.

It is an arithmetic number, because the mean of its divisors is an integer number (278481216).

Almost surely, 2^3922164981 is an apocalyptic number.

3922164981 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3922164981 is a deficient number, since it is larger than the sum of its proper divisors (2761384203).

3922164981 is a wasteful number, since it uses less digits than its factorization.

3922164981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008321 (or 2008318 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 3922164981 is about 62627.1904287587. The cubic root of 3922164981 is about 1577.0372536348.

The spelling of 3922164981 in words is "three billion, nine hundred twenty-two million, one hundred sixty-four thousand, nine hundred eighty-one".