486660157 has 4 divisors (see below), whose sum is σ = 486717660. Its totient is φ = 486602656.

The previous prime is 486660133. The next prime is 486660179. The reversal of 486660157 is 751066684.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 381577156 + 105083001 = 19534^2 + 10251^2 .

It is a cyclic number.

It is not a de Polignac number, because 486660157 - 2⁷ = 486660029 is a prime.

It is a super-2 number, since 2×486660157² = 473676216822529298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486660127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13282 + ... + 33907.

It is an arithmetic number, because the mean of its divisors is an integer number (121679415).

Almost surely, 2^486660157 is an apocalyptic number.

It is an amenable number.

486660157 is a deficient number, since it is larger than the sum of its proper divisors (57503).

486660157 is a wasteful number, since it uses less digits than its factorization.

486660157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57502.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 486660157 is about 22060.3752687936. The cubic root of 486660157 is about 786.5782450132.

The spelling of 486660157 in words is "four hundred eighty-six million, six hundred sixty thousand, one hundred fifty-seven".