16860770 has 16 divisors (see below), whose sum is σ = 32134968. Its totient is φ = 6347520.

The previous prime is 16860761. The next prime is 16860793. The reversal of 16860770 is 7706861.

It can be written as a sum of positive squares in 4 ways, for example, as 14737921 + 2122849 = 3839^2 + 1457^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16860770.

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, 49421 + ... + 49760.

Almost surely, 2^16860770 is an apocalyptic number.

16860770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16860770 is a deficient number, since it is larger than the sum of its proper divisors (15274198).

16860770 is a wasteful number, since it uses less digits than its factorization.

16860770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99205.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 16860770 is about 4106.1867955562. The cubic root of 16860770 is about 256.4242740738.

The spelling of 16860770 in words is "sixteen million, eight hundred sixty thousand, seven hundred seventy".