1681617601592 has 64 divisors (see below), whose sum is σ = 3309642244800. Its totient is φ = 799911060480.

The previous prime is 1681617601589. The next prime is 1681617601627. The reversal of 1681617601592 is 2951067161861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28846298 + ... + 28904534.

It is an arithmetic number, because the mean of its divisors is an integer number (51713160075).

Almost surely, 2^{1681617601592} is an apocalyptic number.

It is an amenable number.

1681617601592 is a deficient number, since it is larger than the sum of its proper divisors (1628024643208).

1681617601592 is a wasteful number, since it uses less digits than its factorization.

1681617601592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60096 (or 60092 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 53.

The spelling of 1681617601592 in words is "one trillion, six hundred eighty-one billion, six hundred seventeen million, six hundred one thousand, five hundred ninety-two".