260921606 has 16 divisors (see below), whose sum is σ = 440736768. Its totient is φ = 114774600.

The previous prime is 260921603. The next prime is 260921621. The reversal of 260921606 is 606129062.

260921606 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260921603) 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, 190610 + ... + 191973.

It is an arithmetic number, because the mean of its divisors is an integer number (27546048).

Almost surely, 2^260921606 is an apocalyptic number.

260921606 is a deficient number, since it is larger than the sum of its proper divisors (179815162).

260921606 is a wasteful number, since it uses less digits than its factorization.

260921606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382627.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 260921606 is about 16153.0680058000. The cubic root of 260921606 is about 639.0036629468.

The spelling of 260921606 in words is "two hundred sixty million, nine hundred twenty-one thousand, six hundred six".