1716555996372 has 72 divisors (see below), whose sum is σ = 4660905642624. Its totient is φ = 490267494528.

The previous prime is 1716555996367. The next prime is 1716555996373. The reversal of 1716555996372 is 2736995556171.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1716555996373) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1107253 + ... + 2158499.

It is an arithmetic number, because the mean of its divisors is an integer number (64734800592).

Almost surely, 2^{1716555996372} is an apocalyptic number.

1716555996372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1716555996372 is an abundant number, since it is smaller than the sum of its proper divisors (2944349646252).

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

1716555996372 is a wasteful number, since it uses less digits than its factorization.

1716555996372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054045 (or 1054036 counting only the distinct ones).

The product of its digits is 107163000, while the sum is 66.

The spelling of 1716555996372 in words is "one trillion, seven hundred sixteen billion, five hundred fifty-five million, nine hundred ninety-six thousand, three hundred seventy-two".