16670642460523 has 4 divisors (see below), whose sum is σ = 16672160883240. Its totient is φ = 16669124037808.

The previous prime is 16670642460487. The next prime is 16670642460529. The reversal of 16670642460523 is 32506424607661.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16670642460523 - 2⁹ = 16670642460011 is a prime.

It is a super-2 number, since 2×16670642460523² (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 (16670642460529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 759194890 + ... + 759216847.

It is an arithmetic number, because the mean of its divisors is an integer number (4168040220810).

Almost surely, 2^{16670642460523} is an apocalyptic number.

16670642460523 is a deficient number, since it is larger than the sum of its proper divisors (1518422717).

16670642460523 is a wasteful number, since it uses less digits than its factorization.

16670642460523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518422716.

The product of its (nonzero) digits is 8709120, while the sum is 52.

The spelling of 16670642460523 in words is "sixteen trillion, six hundred seventy billion, six hundred forty-two million, four hundred sixty thousand, five hundred twenty-three".