164253251446 has 8 divisors (see below), whose sum is σ = 246382090560. Its totient is φ = 82125887928.

The previous prime is 164253251423. The next prime is 164253251447. The reversal of 164253251446 is 644152352461.

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

It is a super-2 number, since 2×164253251446² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164253251447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27381 + ... + 573808.

It is an arithmetic number, because the mean of its divisors is an integer number (30797761320).

Almost surely, 2^164253251446 is an apocalyptic number.

164253251446 is a deficient number, since it is larger than the sum of its proper divisors (82128839114).

164253251446 is a wasteful number, since it uses less digits than its factorization.

164253251446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737798.

The product of its digits is 691200, while the sum is 43.

The spelling of 164253251446 in words is "one hundred sixty-four billion, two hundred fifty-three million, two hundred fifty-one thousand, four hundred forty-six".