16156042613446 has 8 divisors (see below), whose sum is σ = 24234939732744. Its totient is φ = 8077729369200.

The previous prime is 16156042613443. The next prime is 16156042613479. The reversal of 16156042613446 is 64431624065161.

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

It is a super-2 number, since 2×16156042613446² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16156042613446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16156042613443) 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, 145899580 + ... + 146010271.

It is an arithmetic number, because the mean of its divisors is an integer number (3029367466593).

Almost surely, 2^{16156042613446} is an apocalyptic number.

16156042613446 is a deficient number, since it is larger than the sum of its proper divisors (8078897119298).

16156042613446 is a wasteful number, since it uses less digits than its factorization.

16156042613446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291937526.

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 16156042613446 in words is "sixteen trillion, one hundred fifty-six billion, forty-two million, six hundred thirteen thousand, four hundred forty-six".