16725201231401 has 16 divisors (see below), whose sum is σ = 19079083690128. Its totient is φ = 14524538419200.

The previous prime is 16725201231331. The next prime is 16725201231413. The reversal of 16725201231401 is 10413210252761.

It can be written as a sum of positive squares in 8 ways, for example, as 1505246803225 + 15219954428176 = 1226885^2 + 3901276^2 .

It is a cyclic number.

It is not a de Polignac number, because 16725201231401 - 2¹⁴ = 16725201215017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16725201231491) 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, 14962310 + ... + 16041231.

It is an arithmetic number, because the mean of its divisors is an integer number (1192442730633).

Almost surely, 2^{16725201231401} is an apocalyptic number.

It is an amenable number.

16725201231401 is a deficient number, since it is larger than the sum of its proper divisors (2353882458727).

16725201231401 is a wasteful number, since it uses less digits than its factorization.

16725201231401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31006012.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 16725201231401 in words is "sixteen trillion, seven hundred twenty-five billion, two hundred one million, two hundred thirty-one thousand, four hundred one".