168977212 has 12 divisors (see below), whose sum is σ = 313104960. Its totient is φ = 79518656.

The previous prime is 168977209. The next prime is 168977213. The reversal of 168977212 is 212779861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168977213) 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, 1242412 + ... + 1242547.

It is an arithmetic number, because the mean of its divisors is an integer number (26092080).

Almost surely, 2^168977212 is an apocalyptic number.

It is an amenable number.

168977212 is a deficient number, since it is larger than the sum of its proper divisors (144127748).

168977212 is a wasteful number, since it uses less digits than its factorization.

168977212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484980 (or 2484978 counting only the distinct ones).

The product of its digits is 84672, while the sum is 43.

The square root of 168977212 is about 12999.1235089140. The cubic root of 168977212 is about 552.8526302074.

The spelling of 168977212 in words is "one hundred sixty-eight million, nine hundred seventy-seven thousand, two hundred twelve".