1722928080864 has 48 divisors (see below), whose sum is σ = 4525406226432. Its totient is φ = 573963961728.

The previous prime is 1722928080847. The next prime is 1722928080889. The reversal of 1722928080864 is 4680808292271.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1722928080864² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5236374 + ... + 5555669.

It is an arithmetic number, because the mean of its divisors is an integer number (94279296384).

Almost surely, 2^{1722928080864} is an apocalyptic number.

It is an amenable number.

1722928080864 is an abundant number, since it is smaller than the sum of its proper divisors (2802478145568).

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

1722928080864 is a wasteful number, since it uses less digits than its factorization.

1722928080864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10793719 (or 10793711 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 57.

The spelling of 1722928080864 in words is "one trillion, seven hundred twenty-two billion, nine hundred twenty-eight million, eighty thousand, eight hundred sixty-four".