62166661 has 4 divisors (see below), whose sum is σ = 62221824. Its totient is φ = 62111500.

The previous prime is 62166653. The next prime is 62166667. The reversal of 62166661 is 16666126.

62166661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 62166661 - 2³ = 62166653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (62166667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25855 + ... + 28156.

It is an arithmetic number, because the mean of its divisors is an integer number (15555456).

Almost surely, 2^62166661 is an apocalyptic number.

It is an amenable number.

62166661 is a deficient number, since it is larger than the sum of its proper divisors (55163).

62166661 is a wasteful number, since it uses less digits than its factorization.

62166661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55162.

The product of its digits is 15552, while the sum is 34.

The square root of 62166661 is about 7884.5837556589. The cubic root of 62166661 is about 396.1434814045.

The spelling of 62166661 in words is "sixty-two million, one hundred sixty-six thousand, six hundred sixty-one".