164226261054461 has 16 divisors (see below), whose sum is σ = 174020854371840. Its totient is φ = 154546852618800.

The previous prime is 164226261054433. The next prime is 164226261054619. The reversal of 164226261054461 is 164450162622461.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164226261054461 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164226261053461) 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, 79667186 + ... + 81702588.

It is an arithmetic number, because the mean of its divisors is an integer number (10876303398240).

Almost surely, 2^{164226261054461} is an apocalyptic number.

It is an amenable number.

164226261054461 is a deficient number, since it is larger than the sum of its proper divisors (9794593317379).

164226261054461 is a wasteful number, since it uses less digits than its factorization.

164226261054461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063696.

The product of its (nonzero) digits is 3317760, while the sum is 50.

The spelling of 164226261054461 in words is "one hundred sixty-four trillion, two hundred twenty-six billion, two hundred sixty-one million, fifty-four thousand, four hundred sixty-one".