1661960096 has 48 divisors (see below), whose sum is σ = 3555336960. Its totient is φ = 761840640.

The previous prime is 1661960093. The next prime is 1661960107. The reversal of 1661960096 is 6900691661.

It is a super-2 number, since 2×1661960096² = 5524222721392658432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1661960093) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 25241 + ... + 62936.

It is an arithmetic number, because the mean of its divisors is an integer number (74069520).

Almost surely, 2^1661960096 is an apocalyptic number.

1661960096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1661960096 is an abundant number, since it is smaller than the sum of its proper divisors (1893376864).

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

1661960096 is a wasteful number, since it uses less digits than its factorization.

1661960096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88237 (or 88229 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 1661960096 is about 40767.1448104966. The cubic root of 1661960096 is about 1184.5139979778.

The spelling of 1661960096 in words is "one billion, six hundred sixty-one million, nine hundred sixty thousand, ninety-six".