1916901516 has 48 divisors (see below), whose sum is σ = 4535169408. Its totient is φ = 630115200.

The previous prime is 1916901499. The next prime is 1916901527. The reversal of 1916901516 is 6151096191.

It is a happy number.

It is a super-2 number, since 2×1916901516² = 7349022844086196512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252496 + ... + 259976.

It is an arithmetic number, because the mean of its divisors is an integer number (94482696).

Almost surely, 2^1916901516 is an apocalyptic number.

It is an amenable number.

1916901516 is an abundant number, since it is smaller than the sum of its proper divisors (2618267892).

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

1916901516 is a wasteful number, since it uses less digits than its factorization.

1916901516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7782 (or 7780 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 39.

The square root of 1916901516 is about 43782.4338747859. The cubic root of 1916901516 is about 1242.2240514164.

The spelling of 1916901516 in words is "one billion, nine hundred sixteen million, nine hundred one thousand, five hundred sixteen".