1613465400660 has 48 divisors (see below), whose sum is σ = 4519170902400. Its totient is φ = 430117651584.

The previous prime is 1613465400641. The next prime is 1613465400671. The reversal of 1613465400660 is 660045643161.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4182115 + ... + 4551594.

It is an arithmetic number, because the mean of its divisors is an integer number (94149393800).

Almost surely, 2^{1613465400660} is an apocalyptic number.

1613465400660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1613465400660 is an abundant number, since it is smaller than the sum of its proper divisors (2905705501740).

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

1613465400660 is a wasteful number, since it uses less digits than its factorization.

1613465400660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8736800 (or 8736798 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 1613465400660 in words is "one trillion, six hundred thirteen billion, four hundred sixty-five million, four hundred thousand, six hundred sixty".