164874742362551 has 8 divisors (see below), whose sum is σ = 177765571270560. Its totient is φ = 152013650085792.

The previous prime is 164874742362527. The next prime is 164874742362569. The reversal of 164874742362551 is 155263247478461.

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

It is a cyclic number.

It is not a de Polignac number, because 164874742362551 - 2⁶ = 164874742362487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164874742362571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7434146291 + ... + 7434168468.

It is an arithmetic number, because the mean of its divisors is an integer number (22220696408820).

Almost surely, 2^{164874742362551} is an apocalyptic number.

164874742362551 is a deficient number, since it is larger than the sum of its proper divisors (12890828908009).

164874742362551 is a wasteful number, since it uses less digits than its factorization.

164874742362551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14868315625.

The product of its digits is 270950400, while the sum is 65.

The spelling of 164874742362551 in words is "one hundred sixty-four trillion, eight hundred seventy-four billion, seven hundred forty-two million, three hundred sixty-two thousand, five hundred fifty-one".