164154437366 has 4 divisors (see below), whose sum is σ = 246231656052. Its totient is φ = 82077218682.

The previous prime is 164154437357. The next prime is 164154437371. The reversal of 164154437366 is 663734451461.

164154437366 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 663734451461 = 53 ⋅12523291537.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41038609340 + ... + 41038609343.

It is an arithmetic number, because the mean of its divisors is an integer number (61557914013).

Almost surely, 2^164154437366 is an apocalyptic number.

164154437366 is a deficient number, since it is larger than the sum of its proper divisors (82077218686).

164154437366 is an equidigital number, since it uses as much as digits as its factorization.

164154437366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82077218685.

The product of its digits is 4354560, while the sum is 50.

The spelling of 164154437366 in words is "one hundred sixty-four billion, one hundred fifty-four million, four hundred thirty-seven thousand, three hundred sixty-six".