166078485 has 32 divisors (see below), whose sum is σ = 296023680. Its totient is φ = 88343424.

The previous prime is 166078433. The next prime is 166078489. The reversal of 166078485 is 584870661.

It is a happy number.

166078485 is a `hidden beast` number, since 166 + 0 + 7 + 8 + 485 = 666.

It is not a de Polignac number, because 166078485 - 2¹¹ = 166076437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 166078485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166078489) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58417 + ... + 61193.

It is an arithmetic number, because the mean of its divisors is an integer number (9250740).

Almost surely, 2^166078485 is an apocalyptic number.

166078485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

166078485 is a deficient number, since it is larger than the sum of its proper divisors (129945195).

166078485 is a wasteful number, since it uses less digits than its factorization.

166078485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234 (or 3228 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 166078485 is about 12887.1441754952. The cubic root of 166078485 is about 549.6730674103.

The spelling of 166078485 in words is "one hundred sixty-six million, seventy-eight thousand, four hundred eighty-five".