16432520157601 has 16 divisors (see below), whose sum is σ = 17308801354240. Its totient is φ = 15557383013760.

The previous prime is 16432520157523. The next prime is 16432520157629. The reversal of 16432520157601 is 10675102523461.

It is a cyclic number.

It is not a de Polignac number, because 16432520157601 - 2⁹ = 16432520157089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16432520157631) 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, 227205421 + ... + 227277733.

It is an arithmetic number, because the mean of its divisors is an integer number (1081800084640).

Almost surely, 2^{16432520157601} is an apocalyptic number.

It is an amenable number.

16432520157601 is a deficient number, since it is larger than the sum of its proper divisors (876281196639).

16432520157601 is a wasteful number, since it uses less digits than its factorization.

16432520157601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80056.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 16432520157601 in words is "sixteen trillion, four hundred thirty-two billion, five hundred twenty million, one hundred fifty-seven thousand, six hundred one".