166862746 has 8 divisors (see below), whose sum is σ = 261176544. Its totient is φ = 79803900.

The previous prime is 166862741. The next prime is 166862749. The reversal of 166862746 is 647268661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 3627451 = 166862746 / (1 + 6 + 6 + 8 + 6 + 2 + 7 + 4 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 166862696 and 166862705.

It is not an unprimeable number, because it can be changed into a prime (166862741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1813680 + ... + 1813771.

It is an arithmetic number, because the mean of its divisors is an integer number (32647068).

Almost surely, 2^166862746 is an apocalyptic number.

166862746 is a deficient number, since it is larger than the sum of its proper divisors (94313798).

166862746 is a wasteful number, since it uses less digits than its factorization.

166862746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3627476.

The product of its digits is 580608, while the sum is 46.

The square root of 166862746 is about 12917.5363750214. The cubic root of 166862746 is about 550.5369368026.

The spelling of 166862746 in words is "one hundred sixty-six million, eight hundred sixty-two thousand, seven hundred forty-six".