670155065157 has 16 divisors (see below), whose sum is σ = 896014054208. Its totient is φ = 445534007040.

The previous prime is 670155065147. The next prime is 670155065191. The reversal of 670155065157 is 751560551076.

It is not a de Polignac number, because 670155065157 - 2⁷ = 670155065029 is a prime.

It is a super-2 number, since 2×670155065157² (a number of 24 digits) 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 (670155065147) 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 15 ways as a sum of consecutive naturals, for example, 2744607 + ... + 2978787.

It is an arithmetic number, because the mean of its divisors is an integer number (56000878388).

Almost surely, 2^670155065157 is an apocalyptic number.

It is an amenable number.

670155065157 is a deficient number, since it is larger than the sum of its proper divisors (225858989051).

670155065157 is a wasteful number, since it uses less digits than its factorization.

670155065157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236820.

The product of its (nonzero) digits is 1102500, while the sum is 48.

The spelling of 670155065157 in words is "six hundred seventy billion, one hundred fifty-five million, sixty-five thousand, one hundred fifty-seven".