346123016211553 has 16 divisors (see below), whose sum is σ = 418929325712640. Its totient is φ = 279164363636736.

The previous prime is 346123016211509. The next prime is 346123016211589. The reversal of 346123016211553 is 355112610321643.

It is a cyclic number.

It is not a de Polignac number, because 346123016211553 - 2¹⁷ = 346123016080481 is a prime.

It is a super-2 number, since 2×346123016211553² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346123016215553) 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, 316779168 + ... + 317869921.

It is an arithmetic number, because the mean of its divisors is an integer number (26183082857040).

Almost surely, 2^{346123016211553} is an apocalyptic number.

It is an amenable number.

346123016211553 is a deficient number, since it is larger than the sum of its proper divisors (72806309501087).

346123016211553 is a wasteful number, since it uses less digits than its factorization.

346123016211553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634653696.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 346123016211553 in words is "three hundred forty-six trillion, one hundred twenty-three billion, sixteen million, two hundred eleven thousand, five hundred fifty-three".