3662731157 has 4 divisors (see below), whose sum is σ = 3662873676. Its totient is φ = 3662588640.

The previous prime is 3662731147. The next prime is 3662731159. The reversal of 3662731157 is 7511372663.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3171266596 + 491464561 = 56314^2 + 22169^2 .

It is a cyclic number.

It is not a de Polignac number, because 3662731157 - 2⁸ = 3662730901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3662731159) 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, 20798 + ... + 88079.

It is an arithmetic number, because the mean of its divisors is an integer number (915718419).

Almost surely, 2^3662731157 is an apocalyptic number.

It is an amenable number.

3662731157 is a deficient number, since it is larger than the sum of its proper divisors (142519).

3662731157 is a wasteful number, since it uses less digits than its factorization.

3662731157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142518.

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

The square root of 3662731157 is about 60520.5019559488. The cubic root of 3662731157 is about 1541.4697775746.

The spelling of 3662731157 in words is "three billion, six hundred sixty-two million, seven hundred thirty-one thousand, one hundred fifty-seven".