2670685157 has 8 divisors (see below), whose sum is σ = 3060960000. Its totient is φ = 2282597424.

The previous prime is 2670685141. The next prime is 2670685289. The reversal of 2670685157 is 7515860762.

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 2670685157 - 2⁴ = 2670685141 is a prime.

It is a super-2 number, since 2×2670685157² = 14265118415640229298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2670685357) 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, 544157 + ... + 549042.

It is an arithmetic number, because the mean of its divisors is an integer number (382620000).

Almost surely, 2^2670685157 is an apocalyptic number.

It is an amenable number.

2670685157 is a deficient number, since it is larger than the sum of its proper divisors (390274843).

2670685157 is a wasteful number, since it uses less digits than its factorization.

2670685157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093555.

The product of its (nonzero) digits is 705600, while the sum is 47.

The square root of 2670685157 is about 51678.6721675393. The cubic root of 2670685157 is about 1387.4187654954.

The spelling of 2670685157 in words is "two billion, six hundred seventy million, six hundred eighty-five thousand, one hundred fifty-seven".