1712215118064 has 640 divisors, whose sum is σ = 5405989994496. Its totient is φ = 461362176000.

The previous prime is 1712215117969. The next prime is 1712215118071. The reversal of 1712215118064 is 4608115122171.

It is a happy number.

It is a super-2 number, since 2×1712215118064² (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 127 ways as a sum of consecutive naturals, for example, 1156120204 + ... + 1156121684.

Almost surely, 2^{1712215118064} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1712215118064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2702994997248).

1712215118064 is an abundant number, since it is smaller than the sum of its proper divisors (3693774876432).

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

1712215118064 is a wasteful number, since it uses less digits than its factorization.

1712215118064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677 (or 1671 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 39.

The spelling of 1712215118064 in words is "one trillion, seven hundred twelve billion, two hundred fifteen million, one hundred eighteen thousand, sixty-four".