1930156664 has 16 divisors (see below), whose sum is σ = 3619527120. Its totient is φ = 964949440.

The previous prime is 1930156651. The next prime is 1930156681. The reversal of 1930156664 is 4666510391.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84452 + ... + 104844.

It is an arithmetic number, because the mean of its divisors is an integer number (226220445).

Almost surely, 2^1930156664 is an apocalyptic number.

It is an amenable number.

1930156664 is a deficient number, since it is larger than the sum of its proper divisors (1689370456).

1930156664 is a wasteful number, since it uses less digits than its factorization.

1930156664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32230 (or 32226 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 1930156664 is about 43933.5482746386. The cubic root of 1930156664 is about 1245.0807545346.

The spelling of 1930156664 in words is "one billion, nine hundred thirty million, one hundred fifty-six thousand, six hundred sixty-four".