2170977136 has 10 divisors (see below), whose sum is σ = 4206268232. Its totient is φ = 1085488560.

The previous prime is 2170977119. The next prime is 2170977187. The reversal of 2170977136 is 6317790712.

It is a junction number, because it is equal to n+sod(n) for n = 2170977092 and 2170977101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67843020 + ... + 67843051.

Almost surely, 2^2170977136 is an apocalyptic number.

It is an amenable number.

2170977136 is a deficient number, since it is larger than the sum of its proper divisors (2035291096).

2170977136 is a wasteful number, since it uses less digits than its factorization.

2170977136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135686079 (or 135686073 counting only the distinct ones).

The product of its (nonzero) digits is 111132, while the sum is 43.

The square root of 2170977136 is about 46593.7456747148. The cubic root of 2170977136 is about 1294.8468855908.

The spelling of 2170977136 in words is "two billion, one hundred seventy million, nine hundred seventy-seven thousand, one hundred thirty-six".