670110117021 has 16 divisors (see below), whose sum is σ = 994899928320. Its totient is φ = 445775188320.

The previous prime is 670110117007. The next prime is 670110117023. The reversal of 670110117021 is 120711011076.

670110117021 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 670110117021 - 2⁶ = 670110116957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670110117023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26789760 + ... + 26814761.

It is an arithmetic number, because the mean of its divisors is an integer number (62181245520).

Almost surely, 2^670110117021 is an apocalyptic number.

It is an amenable number.

670110117021 is a deficient number, since it is larger than the sum of its proper divisors (324789811299).

670110117021 is a wasteful number, since it uses less digits than its factorization.

670110117021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53604993 (or 53604987 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 27.

Adding to 670110117021 its reverse (120711011076), we get a palindrome (790821128097).

The spelling of 670110117021 in words is "six hundred seventy billion, one hundred ten million, one hundred seventeen thousand, twenty-one".