66371134 has 4 divisors (see below), whose sum is σ = 99556704. Its totient is φ = 33185566.

The previous prime is 66371131. The next prime is 66371143. The reversal of 66371134 is 43117366.

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

It is a junction number, because it is equal to n+sod(n) for n = 66371096 and 66371105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66371131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16592782 + ... + 16592785.

It is an arithmetic number, because the mean of its divisors is an integer number (24889176).

Almost surely, 2^66371134 is an apocalyptic number.

66371134 is a deficient number, since it is larger than the sum of its proper divisors (33185570).

66371134 is a wasteful number, since it uses less digits than its factorization.

66371134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33185569.

The product of its digits is 9072, while the sum is 31.

The square root of 66371134 is about 8146.8481021804. The cubic root of 66371134 is about 404.8800823650.

The spelling of 66371134 in words is "sixty-six million, three hundred seventy-one thousand, one hundred thirty-four".