2618420157 has 12 divisors (see below), whose sum is σ = 3796122304. Its totient is φ = 1739170440.

The previous prime is 2618420143. The next prime is 2618420159. The reversal of 2618420157 is 7510248162.

2618420157 is a `hidden beast` number, since 2 + 618 + 4 + 20 + 15 + 7 = 666.

It is not a de Polignac number, because 2618420157 - 2⁶ = 2618420093 is a prime.

It is a super-2 number, since 2×2618420157² = 13712248237167809298, 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 (2618420159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 534343 + ... + 539220.

Almost surely, 2^2618420157 is an apocalyptic number.

It is an amenable number.

2618420157 is a deficient number, since it is larger than the sum of its proper divisors (1177702147).

2618420157 is a wasteful number, since it uses less digits than its factorization.

2618420157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073840 (or 1073837 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 2618420157 is about 51170.5008476564. The cubic root of 2618420157 is about 1378.3085341077.

The spelling of 2618420157 in words is "two billion, six hundred eighteen million, four hundred twenty thousand, one hundred fifty-seven".