1916465960 has 32 divisors (see below), whose sum is σ = 4313354760. Its totient is φ = 766354176.

The previous prime is 1916465959. The next prime is 1916465983. The reversal of 1916465960 is 695646191.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1888945444 + 27520516 = 43462^2 + 5246^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198362 + ... + 207798.

Almost surely, 2^1916465960 is an apocalyptic number.

1916465960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1916465960 is an abundant number, since it is smaller than the sum of its proper divisors (2396888800).

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

1916465960 is a wasteful number, since it uses less digits than its factorization.

1916465960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14525 (or 14521 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 1916465960 is about 43777.4594968689. The cubic root of 1916465960 is about 1242.1299587501.

The spelling of 1916465960 in words is "one billion, nine hundred sixteen million, four hundred sixty-five thousand, nine hundred sixty".