66010701 has 16 divisors (see below), whose sum is σ = 92323584. Its totient is φ = 41903424.

The previous prime is 66010691. The next prime is 66010709. The reversal of 66010701 is 10701066.

It is not a de Polignac number, because 66010701 - 2⁵ = 66010669 is a prime.

It is a super-2 number, since 2×66010701² = 8714825293022802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66010709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1110 + ... + 11543.

It is an arithmetic number, because the mean of its divisors is an integer number (5770224).

Almost surely, 2^66010701 is an apocalyptic number.

It is an amenable number.

66010701 is a deficient number, since it is larger than the sum of its proper divisors (26312883).

66010701 is a wasteful number, since it uses less digits than its factorization.

66010701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12740.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 66010701 is about 8124.6969789648. The cubic root of 66010701 is about 404.1458419473.

Adding to 66010701 its reverse (10701066), we get a palindrome (76711767).

The spelling of 66010701 in words is "sixty-six million, ten thousand, seven hundred one".