66111486 has 24 divisors (see below), whose sum is σ = 153811080. Its totient is φ = 18888912.

The previous prime is 66111457. The next prime is 66111491. The reversal of 66111486 is 68411166.

It is a super-2 number, since 2×66111486² = 8741457162256392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112141 + ... + 112728.

It is an arithmetic number, because the mean of its divisors is an integer number (6408795).

Almost surely, 2^66111486 is an apocalyptic number.

66111486 is an abundant number, since it is smaller than the sum of its proper divisors (87699594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66111486 is a wasteful number, since it uses less digits than its factorization.

66111486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224888 (or 224881 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 66111486 is about 8130.8969984867. The cubic root of 66111486 is about 404.3514203655.

The spelling of 66111486 in words is "sixty-six million, one hundred eleven thousand, four hundred eighty-six".