3166722720 has 144 divisors (see below), whose sum is σ = 12350257920. Its totient is φ = 723820032.

The previous prime is 3166722703. The next prime is 3166722749. The reversal of 3166722720 is 272276613.

It is a happy number.

3166722720 is a `hidden beast` number, since 316 + 6 + 72 + 272 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147000 + ... + 167159.

It is an arithmetic number, because the mean of its divisors is an integer number (85765680).

Almost surely, 2^3166722720 is an apocalyptic number.

3166722720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3166722720 is an abundant number, since it is smaller than the sum of its proper divisors (9183535200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3166722720 is a wasteful number, since it uses less digits than its factorization.

3166722720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314187 (or 314176 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 3166722720 is about 56273.6414318462. The cubic root of 3166722720 is about 1468.4866836362.

The spelling of 3166722720 in words is "three billion, one hundred sixty-six million, seven hundred twenty-two thousand, seven hundred twenty".