166015070 has 16 divisors (see below), whose sum is σ = 321814080. Its totient is φ = 61297824.

The previous prime is 166015051. The next prime is 166015117. The reversal of 166015070 is 70510661.

166015070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×166015070² = 55122006934209800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

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, 638390 + ... + 638649.

It is an arithmetic number, because the mean of its divisors is an integer number (20113380).

Almost surely, 2^166015070 is an apocalyptic number.

166015070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166015070 is a deficient number, since it is larger than the sum of its proper divisors (155799010).

166015070 is a wasteful number, since it uses less digits than its factorization.

166015070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277059.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 166015070 is about 12884.6835428737. The cubic root of 166015070 is about 549.6030965666.

The spelling of 166015070 in words is "one hundred sixty-six million, fifteen thousand, seventy".