164404130453254 has 16 divisors (see below), whose sum is σ = 249063611530896. Its totient is φ = 81383029684000.

The previous prime is 164404130453197. The next prime is 164404130453257. The reversal of 164404130453254 is 452354031404461.

It is a happy number.

It is a super-3 number, since 3×164404130453254³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164404130453257) 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, 22569652 + ... + 28951639.

It is an arithmetic number, because the mean of its divisors is an integer number (15566475720681).

Almost surely, 2^{164404130453254} is an apocalyptic number.

164404130453254 is a deficient number, since it is larger than the sum of its proper divisors (84659481077642).

164404130453254 is a wasteful number, since it uses less digits than its factorization.

164404130453254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51537191.

The product of its (nonzero) digits is 2764800, while the sum is 46.

The spelling of 164404130453254 in words is "one hundred sixty-four trillion, four hundred four billion, one hundred thirty million, four hundred fifty-three thousand, two hundred fifty-four".