66161434 has 8 divisors (see below), whose sum is σ = 101550240. Its totient is φ = 32311356.

The previous prime is 66161423. The next prime is 66161453. The reversal of 66161434 is 43416166.

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

It is a junction number, because it is equal to n+sod(n) for n = 66161396 and 66161405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384574 + ... + 384745.

It is an arithmetic number, because the mean of its divisors is an integer number (12693780).

Almost surely, 2^66161434 is an apocalyptic number.

66161434 is a deficient number, since it is larger than the sum of its proper divisors (35388806).

66161434 is a wasteful number, since it uses less digits than its factorization.

66161434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769364.

The product of its digits is 10368, while the sum is 31.

The square root of 66161434 is about 8133.9679124029. The cubic root of 66161434 is about 404.4532254721.

The spelling of 66161434 in words is "sixty-six million, one hundred sixty-one thousand, four hundred thirty-four".