16142042620465 has 8 divisors (see below), whose sum is σ = 19455038268840. Its totient is φ = 12857242680192.

The previous prime is 16142042620441. The next prime is 16142042620481. The reversal of 16142042620465 is 56402624024161.

It can be written as a sum of positive squares in 4 ways, for example, as 4791935524401 + 11350107096064 = 2189049^2 + 3368992^2 .

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 16142042620465 - 2¹⁹ = 16142042096177 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7048925764 + ... + 7048928053.

It is an arithmetic number, because the mean of its divisors is an integer number (2431879783605).

Almost surely, 2^{16142042620465} is an apocalyptic number.

It is an amenable number.

16142042620465 is a deficient number, since it is larger than the sum of its proper divisors (3312995648375).

16142042620465 is a wasteful number, since it uses less digits than its factorization.

16142042620465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14097854051.

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 16142042620465 in words is "sixteen trillion, one hundred forty-two billion, forty-two million, six hundred twenty thousand, four hundred sixty-five".