16166651550157 has 8 divisors (see below), whose sum is σ = 16444510418880. Its totient is φ = 15888920942400.

The previous prime is 16166651550107. The next prime is 16166651550251. The reversal of 16166651550157 is 75105515666161.

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

It is a cyclic number.

It is not a de Polignac number, because 16166651550157 - 2²⁷ = 16166517332429 is a prime.

It is a super-2 number, since 2×16166651550157² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16166651550098 and 16166651550107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16166651550107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31810969 + ... + 32315182.

It is an arithmetic number, because the mean of its divisors is an integer number (2055563802360).

Almost surely, 2^{16166651550157} is an apocalyptic number.

It is an amenable number.

16166651550157 is a deficient number, since it is larger than the sum of its proper divisors (277858868723).

16166651550157 is an equidigital number, since it uses as much as digits as its factorization.

16166651550157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64130483.

The product of its (nonzero) digits is 5670000, while the sum is 55.

The spelling of 16166651550157 in words is "sixteen trillion, one hundred sixty-six billion, six hundred fifty-one million, five hundred fifty thousand, one hundred fifty-seven".