516940157 has 8 divisors (see below), whose sum is σ = 541157760. Its totient is φ = 492867760.

The previous prime is 516940147. The next prime is 516940181. The reversal of 516940157 is 751049615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 516940157 - 2⁴ = 516940141 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 516940157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516940117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28982 + ... + 43287.

It is an arithmetic number, because the mean of its divisors is an integer number (67644720).

Almost surely, 2^516940157 is an apocalyptic number.

It is an amenable number.

516940157 is a deficient number, since it is larger than the sum of its proper divisors (24217603).

516940157 is a wasteful number, since it uses less digits than its factorization.

516940157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72603.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 516940157 is about 22736.3180176562. The cubic root of 516940157 is about 802.5647671125.

The spelling of 516940157 in words is "five hundred sixteen million, nine hundred forty thousand, one hundred fifty-seven".