947963166 has 16 divisors (see below), whose sum is σ = 1905456000. Its totient is φ = 314399448.

The previous prime is 947963153. The next prime is 947963171. The reversal of 947963166 is 661369749.

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, 395776 + ... + 398163.

It is an arithmetic number, because the mean of its divisors is an integer number (119091000).

Almost surely, 2^947963166 is an apocalyptic number.

947963166 is an abundant number, since it is smaller than the sum of its proper divisors (957492834).

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

947963166 is a wasteful number, since it uses less digits than its factorization.

947963166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794143.

The product of its digits is 1469664, while the sum is 51.

The square root of 947963166 is about 30789.0104745183. The cubic root of 947963166 is about 982.3445067265.

The spelling of 947963166 in words is "nine hundred forty-seven million, nine hundred sixty-three thousand, one hundred sixty-six".