16671342502523 has 8 divisors (see below), whose sum is σ = 16733160122880. Its totient is φ = 16609527086760.

The previous prime is 16671342502489. The next prime is 16671342502601. The reversal of 16671342502523 is 32520524317661.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16671342502523 - 2¹² = 16671342498427 is a prime.

It is a super-2 number, since 2×16671342502523² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16671342802523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15461786 + ... + 16504832.

It is an arithmetic number, because the mean of its divisors is an integer number (2091645015360).

Almost surely, 2^{16671342502523} is an apocalyptic number.

16671342502523 is a deficient number, since it is larger than the sum of its proper divisors (61817620357).

16671342502523 is a wasteful number, since it uses less digits than its factorization.

16671342502523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102297.

The product of its (nonzero) digits is 1814400, while the sum is 47.

The spelling of 16671342502523 in words is "sixteen trillion, six hundred seventy-one billion, three hundred forty-two million, five hundred two thousand, five hundred twenty-three".