16380972953 has 16 divisors (see below), whose sum is σ = 16689254400. Its totient is φ = 16076491200.

The previous prime is 16380972947. The next prime is 16380972961. The reversal of 16380972953 is 35927908361.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16380972953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16380972895 and 16380972904.

It is not an unprimeable number, because it can be changed into a prime (16380972913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4572623 + ... + 4576203.

It is an arithmetic number, because the mean of its divisors is an integer number (1043078400).

Almost surely, 2^16380972953 is an apocalyptic number.

It is an amenable number.

16380972953 is a deficient number, since it is larger than the sum of its proper divisors (308281447).

16380972953 is a wasteful number, since it uses less digits than its factorization.

16380972953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4088.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The spelling of 16380972953 in words is "sixteen billion, three hundred eighty million, nine hundred seventy-two thousand, nine hundred fifty-three".