157916093 has 4 divisors (see below), whose sum is σ = 159052320. Its totient is φ = 156779868.

The previous prime is 157916069. The next prime is 157916113. The reversal of 157916093 is 390619751.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 390619751 = 41 ⋅9527311.

It is a cyclic number.

It is not a de Polignac number, because 157916093 - 2¹⁶ = 157850557 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 157916093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157916053) 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, 567905 + ... + 568182.

It is an arithmetic number, because the mean of its divisors is an integer number (39763080).

Almost surely, 2^157916093 is an apocalyptic number.

It is an amenable number.

157916093 is a deficient number, since it is larger than the sum of its proper divisors (1136227).

157916093 is a wasteful number, since it uses less digits than its factorization.

157916093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136226.

The product of its (nonzero) digits is 51030, while the sum is 41.

The square root of 157916093 is about 12566.4670054873. The cubic root of 157916093 is about 540.5163020377.

The spelling of 157916093 in words is "one hundred fifty-seven million, nine hundred sixteen thousand, ninety-three".