1912164684 has 12 divisors (see below), whose sum is σ = 4461717624. Its totient is φ = 637388224.

The previous prime is 1912164649. The next prime is 1912164697. The reversal of 1912164684 is 4864612191.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79673517 + ... + 79673540.

It is an arithmetic number, because the mean of its divisors is an integer number (371809802).

Almost surely, 2^1912164684 is an apocalyptic number.

It is an amenable number.

1912164684 is an abundant number, since it is smaller than the sum of its proper divisors (2549552940).

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

1912164684 is a wasteful number, since it uses less digits than its factorization.

1912164684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159347064 (or 159347062 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 1912164684 is about 43728.3052953119. The cubic root of 1912164684 is about 1241.1999925292.

The spelling of 1912164684 in words is "one billion, nine hundred twelve million, one hundred sixty-four thousand, six hundred eighty-four".