65671672274 has 16 divisors (see below), whose sum is σ = 106476478080. Its totient is φ = 30198154320.

The previous prime is 65671672249. The next prime is 65671672291. The reversal of 65671672274 is 47227617656.

65671672274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×65671672274⁴ (a number of 44 digits) contains 4444 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4653164 + ... + 4667255.

It is an arithmetic number, because the mean of its divisors is an integer number (6654779880).

Almost surely, 2^65671672274 is an apocalyptic number.

65671672274 is a deficient number, since it is larger than the sum of its proper divisors (40804805806).

65671672274 is a wasteful number, since it uses less digits than its factorization.

65671672274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9320705.

The product of its digits is 5927040, while the sum is 53.

The spelling of 65671672274 in words is "sixty-five billion, six hundred seventy-one million, six hundred seventy-two thousand, two hundred seventy-four".