342121666502170 has 8 divisors (see below), whose sum is σ = 615818999703924. Its totient is φ = 136848666600864.

The previous prime is 342121666502159. The next prime is 342121666502179. The reversal of 342121666502170 is 71205666121243.

It can be written as a sum of positive squares in 2 ways, for example, as 342073643724289 + 48022777881 = 18495233^2 + 219141^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×342121666502170² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 342121666502170.

It is not an unprimeable number, because it can be changed into a prime (342121666502179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17106083325099 + ... + 17106083325118.

Almost surely, 2^{342121666502170} is an apocalyptic number.

342121666502170 is a deficient number, since it is larger than the sum of its proper divisors (273697333201754).

342121666502170 is a wasteful number, since it uses less digits than its factorization.

342121666502170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34212166650224.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 342121666502170 in words is "three hundred forty-two trillion, one hundred twenty-one billion, six hundred sixty-six million, five hundred two thousand, one hundred seventy".