81014966 has 8 divisors (see below), whose sum is σ = 125442624. Its totient is φ = 39200760.

The previous prime is 81014963. The next prime is 81014971. The reversal of 81014966 is 66941018.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81014963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653285 + ... + 653408.

It is an arithmetic number, because the mean of its divisors is an integer number (15680328).

Almost surely, 2^81014966 is an apocalyptic number.

81014966 is a deficient number, since it is larger than the sum of its proper divisors (44427658).

81014966 is a wasteful number, since it uses less digits than its factorization.

81014966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306726.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 81014966 is about 9000.8314060424. The cubic root of 81014966 is about 432.7015172377.

The spelling of 81014966 in words is "eighty-one million, fourteen thousand, nine hundred sixty-six".