670005201555 has 40 divisors (see below), whose sum is σ = 1201925954592. Its totient is φ = 357074410752.

The previous prime is 670005201533. The next prime is 670005201557. The reversal of 670005201555 is 555102500076.

It is a happy number.

670005201555 is a `hidden beast` number, since 6 + 70 + 0 + 0 + 520 + 15 + 55 = 666.

It is not a de Polignac number, because 670005201555 - 2⁷ = 670005201427 is a prime.

It is a super-2 number, since 2×670005201555² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (670005201557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 51462 + ... + 1158731.

Almost surely, 2^670005201555 is an apocalyptic number.

670005201555 is a deficient number, since it is larger than the sum of its proper divisors (531920753037).

670005201555 is a wasteful number, since it uses less digits than its factorization.

670005201555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211577 (or 1211568 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 36.

The spelling of 670005201555 in words is "six hundred seventy billion, five million, two hundred one thousand, five hundred fifty-five".