130545666 has 24 divisors (see below), whose sum is σ = 283211760. Its totient is φ = 43459416.

The previous prime is 130545661. The next prime is 130545689. The reversal of 130545666 is 666545031.

It is a super-2 number, since 2×130545666² = 34084341822767112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130545666.

It is not an unprimeable number, because it can be changed into a prime (130545661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11241 + ... + 19683.

It is an arithmetic number, because the mean of its divisors is an integer number (11800490).

Almost surely, 2^130545666 is an apocalyptic number.

130545666 is an abundant number, since it is smaller than the sum of its proper divisors (152666094).

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

130545666 is a wasteful number, since it uses less digits than its factorization.

130545666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9310 (or 9307 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 130545666 is about 11425.6582304916. The cubic root of 130545666 is about 507.2874902769.

It can be divided in two parts, 1305 and 45666, that added together give a triangular number (46971 = T₃₀₆).

The spelling of 130545666 in words is "one hundred thirty million, five hundred forty-five thousand, six hundred sixty-six".