3610145646 has 16 divisors (see below), whose sum is σ = 8022546000. Its totient is φ = 1203381864.

The previous prime is 3610145639. The next prime is 3610145647. The reversal of 3610145646 is 6465410163.

It is a happy number.

3610145646 is a `hidden beast` number, since 3 + 6 + 1 + 0 + 1 + 4 + 5 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 3610145646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3610145647) 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, 33427221 + ... + 33427328.

It is an arithmetic number, because the mean of its divisors is an integer number (501409125).

Almost surely, 2^3610145646 is an apocalyptic number.

3610145646 is an abundant number, since it is smaller than the sum of its proper divisors (4412400354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3610145646 is a wasteful number, since it uses less digits than its factorization.

3610145646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66854560 (or 66854554 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 3610145646 is about 60084.4875654274. The cubic root of 3610145646 is about 1534.0572744155.

The spelling of 3610145646 in words is "three billion, six hundred ten million, one hundred forty-five thousand, six hundred forty-six".