354244164681 has 64 divisors (see below), whose sum is σ = 533485854720. Its totient is φ = 207200828160.

The previous prime is 354244164679. The next prime is 354244164683. The reversal of 354244164681 is 186461442453.

It is an interprime number because it is at equal distance from previous prime (354244164679) and next prime (354244164683).

It is not a de Polignac number, because 354244164681 - 2¹ = 354244164679 is a prime.

It is a super-4 number, since 4×354244164681⁴ (a number of 47 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3, 2.

It is a self number, because there is not a number n which added to its sum of digits gives 354244164681.

It is not an unprimeable number, because it can be changed into a prime (354244164683) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 113574640 + ... + 113577758.

It is an arithmetic number, because the mean of its divisors is an integer number (8335716480).

Almost surely, 2^354244164681 is an apocalyptic number.

It is an amenable number.

354244164681 is a deficient number, since it is larger than the sum of its proper divisors (179241690039).

354244164681 is a wasteful number, since it uses less digits than its factorization.

354244164681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3894.

The product of its digits is 2211840, while the sum is 48.

The spelling of 354244164681 in words is "three hundred fifty-four billion, two hundred forty-four million, one hundred sixty-four thousand, six hundred eighty-one".