3646561146 has 16 divisors (see below), whose sum is σ = 7308879744. Its totient is φ = 1212894144.

The previous prime is 3646561097. The next prime is 3646561153. The reversal of 3646561146 is 6411656463.

It is a junction number, because it is equal to n+sod(n) for n = 3646561098 and 3646561107.

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, 653551 + ... + 659106.

It is an arithmetic number, because the mean of its divisors is an integer number (456804984).

Almost surely, 2^3646561146 is an apocalyptic number.

3646561146 is an abundant number, since it is smaller than the sum of its proper divisors (3662318598).

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

3646561146 is a wasteful number, since it uses less digits than its factorization.

3646561146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313125.

The product of its digits is 311040, while the sum is 42.

The square root of 3646561146 is about 60386.7630031615. The cubic root of 3646561146 is about 1539.1980344027.

The spelling of 3646561146 in words is "three billion, six hundred forty-six million, five hundred sixty-one thousand, one hundred forty-six".