495666157 has 4 divisors (see below), whose sum is σ = 566475616. Its totient is φ = 424856700.

The previous prime is 495666133. The next prime is 495666209. The reversal of 495666157 is 751666594.

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.

It is a cyclic number.

It is not a de Polignac number, because 495666157 - 2¹⁹ = 495141869 is a prime.

It is a super-3 number, since 3×495666157³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 495666157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495660157) 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, 35404719 + ... + 35404732.

It is an arithmetic number, because the mean of its divisors is an integer number (141618904).

Almost surely, 2^495666157 is an apocalyptic number.

It is an amenable number.

495666157 is a deficient number, since it is larger than the sum of its proper divisors (70809459).

495666157 is an equidigital number, since it uses as much as digits as its factorization.

495666157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70809458.

The product of its digits is 1360800, while the sum is 49.

The square root of 495666157 is about 22263.5611931245. The cubic root of 495666157 is about 791.4006860536.

The spelling of 495666157 in words is "four hundred ninety-five million, six hundred sixty-six thousand, one hundred fifty-seven".