342121666502157 has 8 divisors (see below), whose sum is σ = 456162675533376. Its totient is φ = 228080884236192.

The previous prime is 342121666502123. The next prime is 342121666502159. The reversal of 342121666502157 is 751205666121243.

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

It is not a de Polignac number, because 342121666502157 - 2¹¹ = 342121666500109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342121666502159) 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, 53139208 + ... + 59228529.

It is an arithmetic number, because the mean of its divisors is an integer number (57020334441672).

Almost surely, 2^{342121666502157} is an apocalyptic number.

It is an amenable number.

342121666502157 is a deficient number, since it is larger than the sum of its proper divisors (114041009031219).

342121666502157 is a wasteful number, since it uses less digits than its factorization.

342121666502157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113382627.

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 342121666502157 in words is "three hundred forty-two trillion, one hundred twenty-one billion, six hundred sixty-six million, five hundred two thousand, one hundred fifty-seven".