1960665090 has 32 divisors (see below), whose sum is σ = 4717910016. Its totient is φ = 521475840.

The previous prime is 1960665073. The next prime is 1960665101. The reversal of 1960665090 is 905660691.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73831 + ... + 96810.

It is an arithmetic number, because the mean of its divisors is an integer number (147434688).

Almost surely, 2^1960665090 is an apocalyptic number.

1960665090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1960665090 is an abundant number, since it is smaller than the sum of its proper divisors (2757244926).

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

1960665090 is a wasteful number, since it uses less digits than its factorization.

1960665090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171034.

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 1960665090 is about 44279.3980311386. The cubic root of 1960665090 is about 1251.6064870084.

The spelling of 1960665090 in words is "one billion, nine hundred sixty million, six hundred sixty-five thousand, ninety".