1666115030 has 16 divisors (see below), whose sum is σ = 2999471904. Its totient is φ = 666342720.

The previous prime is 1666115029. The next prime is 1666115117. The reversal of 1666115030 is 305116661.

It is a junction number, because it is equal to n+sod(n) for n = 1666114984 and 1666115002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119210 + ... + 132450.

It is an arithmetic number, because the mean of its divisors is an integer number (187466994).

Almost surely, 2^1666115030 is an apocalyptic number.

1666115030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1666115030 is a deficient number, since it is larger than the sum of its proper divisors (1333356874).

1666115030 is a wasteful number, since it uses less digits than its factorization.

1666115030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25831.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 1666115030 is about 40818.0723454697. The cubic root of 1666115030 is about 1185.5002795446.

The spelling of 1666115030 in words is "one billion, six hundred sixty-six million, one hundred fifteen thousand, thirty".