562251666 has 32 divisors (see below), whose sum is σ = 1151843328. Its totient is φ = 182898560.

The previous prime is 562251643. The next prime is 562251689. The reversal of 562251666 is 666152265.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (562251643) and next prime (562251689).

It is a super-2 number, since 2×562251666² = 632253871839551112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56110 + ... + 65366.

It is an arithmetic number, because the mean of its divisors is an integer number (35995104).

Almost surely, 2^562251666 is an apocalyptic number.

562251666 is an abundant number, since it is smaller than the sum of its proper divisors (589591662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

562251666 is a wasteful number, since it uses less digits than its factorization.

562251666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9506.

The product of its digits is 129600, while the sum is 39.

The square root of 562251666 is about 23711.8465329042. The cubic root of 562251666 is about 825.3603157051.

The spelling of 562251666 in words is "five hundred sixty-two million, two hundred fifty-one thousand, six hundred sixty-six".