16253692145 has 8 divisors (see below), whose sum is σ = 19697544360. Its totient is φ = 12874211200.

The previous prime is 16253692123. The next prime is 16253692157. The reversal of 16253692145 is 54129635261.

It can be written as a sum of positive squares in 4 ways, for example, as 5454117904 + 10799574241 = 73852^2 + 103921^2 .

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

It is not a de Polignac number, because 16253692145 - 2¹⁰ = 16253691121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16253692096 and 16253692105.

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, 16092260 + ... + 16093269.

It is an arithmetic number, because the mean of its divisors is an integer number (2462193045).

Almost surely, 2^16253692145 is an apocalyptic number.

It is an amenable number.

16253692145 is a deficient number, since it is larger than the sum of its proper divisors (3443852215).

16253692145 is a wasteful number, since it uses less digits than its factorization.

16253692145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32185635.

The product of its digits is 388800, while the sum is 44.

The spelling of 16253692145 in words is "sixteen billion, two hundred fifty-three million, six hundred ninety-two thousand, one hundred forty-five".