1965170960 has 40 divisors (see below), whose sum is σ = 4585568856. Its totient is φ = 783221760.

The previous prime is 1965170953. The next prime is 1965171031. The reversal of 1965170960 is 690715691.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 96510976 + 1868659984 = 9824^2 + 43228^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a nialpdrome in base 16.

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, 22181 + ... + 66500.

Almost surely, 2^1965170960 is an apocalyptic number.

1965170960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1965170960 is an abundant number, since it is smaller than the sum of its proper divisors (2620397896).

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

1965170960 is a wasteful number, since it uses less digits than its factorization.

1965170960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88971 (or 88965 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 44.

The square root of 1965170960 is about 44330.2488150022. The cubic root of 1965170960 is about 1252.5645397106.

The spelling of 1965170960 in words is "one billion, nine hundred sixty-five million, one hundred seventy thousand, nine hundred sixty".