66016070 has 24 divisors (see below), whose sum is σ = 125419104. Its totient is φ = 25015248.

The previous prime is 66016063. The next prime is 66016087. The reversal of 66016070 is 7061066.

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, 5534 + ... + 12753.

It is an arithmetic number, because the mean of its divisors is an integer number (5225796).

Almost surely, 2^66016070 is an apocalyptic number.

66016070 is a deficient number, since it is larger than the sum of its proper divisors (59403034).

66016070 is a wasteful number, since it uses less digits than its factorization.

66016070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18332 (or 18313 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 66016070 is about 8125.0273845692. The cubic root of 66016070 is about 404.1567987577.

The spelling of 66016070 in words is "sixty-six million, sixteen thousand, seventy".