157663607 has 2 divisors, whose sum is σ = 157663608. Its totient is φ = 157663606.

The previous prime is 157663601. The next prime is 157663619. The reversal of 157663607 is 706366751.

It is a weak prime.

It is an emirp because it is prime and its reverse (706366751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157663607 - 2¹⁶ = 157598071 is a prime.

It is a super-4 number, since 4×157663607⁴ (a number of 34 digits) contains 4444 as substring.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157663601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78831803 + 78831804.

It is an arithmetic number, because the mean of its divisors is an integer number (78831804).

Almost surely, 2^157663607 is an apocalyptic number.

157663607 is a deficient number, since it is larger than the sum of its proper divisors (1).

157663607 is an equidigital number, since it uses as much as digits as its factorization.

157663607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 157663607 is about 12556.4169650422. The cubic root of 157663607 is about 540.2280780937.

The spelling of 157663607 in words is "one hundred fifty-seven million, six hundred sixty-three thousand, six hundred seven".