16156478201 has 8 divisors (see below), whose sum is σ = 16826848704. Its totient is φ = 15498408240.

The previous prime is 16156478197. The next prime is 16156478209. The reversal of 16156478201 is 10287465161.

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

It is not a de Polignac number, because 16156478201 - 2² = 16156478197 is a prime.

It is a super-2 number, since 2×16156478201² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16156478209) 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, 3072455 + ... + 3077708.

It is an arithmetic number, because the mean of its divisors is an integer number (2103356088).

Almost surely, 2^16156478201 is an apocalyptic number.

It is an amenable number.

16156478201 is a deficient number, since it is larger than the sum of its proper divisors (670370503).

16156478201 is an equidigital number, since it uses as much as digits as its factorization.

16156478201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6150271.

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 16156478201 in words is "sixteen billion, one hundred fifty-six million, four hundred seventy-eight thousand, two hundred one".