1642336146660 has 96 divisors (see below), whose sum is σ = 5234703086592. Its totient is φ = 380831566720.

The previous prime is 1642336146641. The next prime is 1642336146719. The reversal of 1642336146660 is 666416332461.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54080214 + ... + 54110573.

It is an arithmetic number, because the mean of its divisors is an integer number (54528157152).

Almost surely, 2^{1642336146660} is an apocalyptic number.

1642336146660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1642336146660 is an abundant number, since it is smaller than the sum of its proper divisors (3592366939932).

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

1642336146660 is a wasteful number, since it uses less digits than its factorization.

1642336146660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108190833 (or 108190831 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 48.

The spelling of 1642336146660 in words is "one trillion, six hundred forty-two billion, three hundred thirty-six million, one hundred forty-six thousand, six hundred sixty".