157662247471 has 2 divisors, whose sum is σ = 157662247472. Its totient is φ = 157662247470.

The previous prime is 157662247459. The next prime is 157662247597. The reversal of 157662247471 is 174742266751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157662247471 - 2⁵ = 157662247439 is a prime.

It is a super-3 number, since 3×157662247471³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157662247411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78831123735 + 78831123736.

It is an arithmetic number, because the mean of its divisors is an integer number (78831123736).

Almost surely, 2^157662247471 is an apocalyptic number.

157662247471 is a deficient number, since it is larger than the sum of its proper divisors (1).

157662247471 is an equidigital number, since it uses as much as digits as its factorization.

157662247471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3951360, while the sum is 52.

The spelling of 157662247471 in words is "one hundred fifty-seven billion, six hundred sixty-two million, two hundred forty-seven thousand, four hundred seventy-one".