16201651571157 has 16 divisors (see below), whose sum is σ = 23368232427008. Its totient is φ = 9925537487040.

The previous prime is 16201651571153. The next prime is 16201651571159. The reversal of 16201651571157 is 75117515610261.

It is not a de Polignac number, because 16201651571157 - 2² = 16201651571153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16201651571153) 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, 931441894 + ... + 931459287.

It is an arithmetic number, because the mean of its divisors is an integer number (1460514526688).

Almost surely, 2^{16201651571157} is an apocalyptic number.

It is an amenable number.

16201651571157 is a deficient number, since it is larger than the sum of its proper divisors (7166580855851).

16201651571157 is a wasteful number, since it uses less digits than its factorization.

16201651571157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862901420.

The product of its (nonzero) digits is 441000, while the sum is 48.

The spelling of 16201651571157 in words is "sixteen trillion, two hundred one billion, six hundred fifty-one million, five hundred seventy-one thousand, one hundred fifty-seven".