3665122546 has 4 divisors (see below), whose sum is σ = 5497683822. Its totient is φ = 1832561272.

The previous prime is 3665122537. The next prime is 3665122567. The reversal of 3665122546 is 6452215663.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3633075625 + 32046921 = 60275^2 + 5661^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 3665122499 and 3665122508.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 916280635 + ... + 916280638.

Almost surely, 2^3665122546 is an apocalyptic number.

3665122546 is a deficient number, since it is larger than the sum of its proper divisors (1832561276).

3665122546 is a wasteful number, since it uses less digits than its factorization.

3665122546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832561275.

The product of its digits is 259200, while the sum is 40.

The square root of 3665122546 is about 60540.2555825461. The cubic root of 3665122546 is about 1541.8051786505.

The spelling of 3665122546 in words is "three billion, six hundred sixty-five million, one hundred twenty-two thousand, five hundred forty-six".