1901613164 has 48 divisors (see below), whose sum is σ = 3711246336. Its totient is φ = 845308800.

The previous prime is 1901613163. The next prime is 1901613179. The reversal of 1901613164 is 4613161091.

It is a super-2 number, since 2×1901613164² = 7232265250996181792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1901613164.

It is not an unprimeable number, because it can be changed into a prime (1901613163) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 394352 + ... + 399144.

It is an arithmetic number, because the mean of its divisors is an integer number (77317632).

Almost surely, 2^1901613164 is an apocalyptic number.

It is an amenable number.

1901613164 is a deficient number, since it is larger than the sum of its proper divisors (1809633172).

1901613164 is a wasteful number, since it uses less digits than its factorization.

1901613164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5006 (or 5004 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 1901613164 is about 43607.4897695339. The cubic root of 1901613164 is about 1238.9127575198.

The spelling of 1901613164 in words is "one billion, nine hundred one million, six hundred thirteen thousand, one hundred sixty-four".