672116156 has 24 divisors (see below), whose sum is σ = 1186168704. Its totient is φ = 333221040.

The previous prime is 672116153. The next prime is 672116171. The reversal of 672116156 is 651611276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672116153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366161 + ... + 367991.

It is an arithmetic number, because the mean of its divisors is an integer number (49423696).

Almost surely, 2^672116156 is an apocalyptic number.

It is an amenable number.

672116156 is a deficient number, since it is larger than the sum of its proper divisors (514052548).

672116156 is a wasteful number, since it uses less digits than its factorization.

672116156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561 (or 2559 counting only the distinct ones).

The product of its digits is 15120, while the sum is 35.

The square root of 672116156 is about 25925.2031043153. The cubic root of 672116156 is about 875.9542920766.

Adding to 672116156 its product of digits (15120), we get a palindrome (672131276).

The spelling of 672116156 in words is "six hundred seventy-two million, one hundred sixteen thousand, one hundred fifty-six".