15719466157 has 2 divisors, whose sum is σ = 15719466158. Its totient is φ = 15719466156.

The previous prime is 15719466149. The next prime is 15719466163. The reversal of 15719466157 is 75166491751.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15718639876 + 826281 = 125374^2 + 909^2 .

It is a cyclic number.

It is not a de Polignac number, because 15719466157 - 2³ = 15719466149 is a prime.

It is a super-2 number, since 2×15719466157² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15719466107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7859733078 + 7859733079.

It is an arithmetic number, because the mean of its divisors is an integer number (7859733079).

Almost surely, 2^15719466157 is an apocalyptic number.

It is an amenable number.

15719466157 is a deficient number, since it is larger than the sum of its proper divisors (1).

15719466157 is an equidigital number, since it uses as much as digits as its factorization.

15719466157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1587600, while the sum is 52.

The spelling of 15719466157 in words is "fifteen billion, seven hundred nineteen million, four hundred sixty-six thousand, one hundred fifty-seven".