61881466 has 8 divisors (see below), whose sum is σ = 92859264. Its totient is φ = 30928380.

The previous prime is 61881451. The next prime is 61881481. The reversal of 61881466 is 66418816.

It is an interprime number because it is at equal distance from previous prime (61881451) and next prime (61881481).

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

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, 2551 + ... + 11413.

It is an arithmetic number, because the mean of its divisors is an integer number (11607408).

Almost surely, 2^61881466 is an apocalyptic number.

61881466 is a deficient number, since it is larger than the sum of its proper divisors (30977798).

61881466 is a wasteful number, since it uses less digits than its factorization.

61881466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12356.

The product of its digits is 55296, while the sum is 40.

The square root of 61881466 is about 7866.4773564792. The cubic root of 61881466 is about 395.5367717109.

The spelling of 61881466 in words is "sixty-one million, eight hundred eighty-one thousand, four hundred sixty-six".