157916069 has 2 divisors, whose sum is σ = 157916070. Its totient is φ = 157916068.

The previous prime is 157916053. The next prime is 157916113. The reversal of 157916069 is 960619751.

It is a happy number.

It is an a-pointer prime, because the next prime (157916113) can be obtained adding 157916069 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157803844 + 112225 = 12562^2 + 335^2 .

It is a cyclic number.

It is not a de Polignac number, because 157916069 - 2⁴ = 157916053 is a prime.

It is a super-2 number, since 2×157916069² = 49874969696825522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157910069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78958034 + 78958035.

It is an arithmetic number, because the mean of its divisors is an integer number (78958035).

Almost surely, 2^157916069 is an apocalyptic number.

It is an amenable number.

157916069 is a deficient number, since it is larger than the sum of its proper divisors (1).

157916069 is an equidigital number, since it uses as much as digits as its factorization.

157916069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060, while the sum is 44.

The square root of 157916069 is about 12566.4660505649. The cubic root of 157916069 is about 540.5162746552.

The spelling of 157916069 in words is "one hundred fifty-seven million, nine hundred sixteen thousand, sixty-nine".