16662572522740 has 48 divisors (see below), whose sum is σ = 35012928685392. Its totient is φ = 6660929534976.

The previous prime is 16662572522699. The next prime is 16662572522747. The reversal of 16662572522740 is 4722527526661.

It can be written as a sum of positive squares in 8 ways, for example, as 708283827216 + 15954288695524 = 841596^2 + 3994282^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16662572522747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467021782 + ... + 467057458.

It is an arithmetic number, because the mean of its divisors is an integer number (729436014279).

Almost surely, 2^{16662572522740} is an apocalyptic number.

16662572522740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16662572522740 is an abundant number, since it is smaller than the sum of its proper divisors (18350356162652).

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

16662572522740 is a wasteful number, since it uses less digits than its factorization.

16662572522740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49396 (or 49394 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 55.

The spelling of 16662572522740 in words is "sixteen trillion, six hundred sixty-two billion, five hundred seventy-two million, five hundred twenty-two thousand, seven hundred forty".