134164651646 has 4 divisors (see below), whose sum is σ = 201246977472. Its totient is φ = 67082325822.

The previous prime is 134164651637. The next prime is 134164651669. The reversal of 134164651646 is 646156461431.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 134164651646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33541162910 + ... + 33541162913.

It is an arithmetic number, because the mean of its divisors is an integer number (50311744368).

Almost surely, 2^134164651646 is an apocalyptic number.

134164651646 is a deficient number, since it is larger than the sum of its proper divisors (67082325826).

134164651646 is an equidigital number, since it uses as much as digits as its factorization.

134164651646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67082325825.

The product of its digits is 1244160, while the sum is 47.

The spelling of 134164651646 in words is "one hundred thirty-four billion, one hundred sixty-four million, six hundred fifty-one thousand, six hundred forty-six".