15250620163 has 4 divisors (see below), whose sum is σ = 15258773088. Its totient is φ = 15242467240.

The previous prime is 15250620149. The next prime is 15250620167. The reversal of 15250620163 is 36102605251.

15250620163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 15250620163 - 2²¹ = 15248523011 is a prime.

It is a super-2 number, since 2×15250620163² (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 (15250620167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4073656 + ... + 4077397.

It is an arithmetic number, because the mean of its divisors is an integer number (3814693272).

Almost surely, 2^15250620163 is an apocalyptic number.

15250620163 is a deficient number, since it is larger than the sum of its proper divisors (8152925).

15250620163 is an equidigital number, since it uses as much as digits as its factorization.

15250620163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8152924.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 15250620163 in words is "fifteen billion, two hundred fifty million, six hundred twenty thousand, one hundred sixty-three".