166687002 has 24 divisors (see below), whose sum is σ = 362209536. Its totient is φ = 55400136.

The previous prime is 166686979. The next prime is 166687007. The reversal of 166687002 is 200786661.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (166687007) 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, 7098 + ... + 19589.

It is an arithmetic number, because the mean of its divisors is an integer number (15092064).

Almost surely, 2^166687002 is an apocalyptic number.

166687002 is an abundant number, since it is smaller than the sum of its proper divisors (195522534).

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

166687002 is a wasteful number, since it uses less digits than its factorization.

166687002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27042 (or 27039 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 166687002 is about 12910.7320474092. The cubic root of 166687002 is about 550.3435891693.

The spelling of 166687002 in words is "one hundred sixty-six million, six hundred eighty-seven thousand, two".