2163620546 has 8 divisors (see below), whose sum is σ = 3252660300. Its totient is φ = 1079400448.

The previous prime is 2163620539. The next prime is 2163620567. The reversal of 2163620546 is 6450263612.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1943839921 + 219780625 = 44089^2 + 14825^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1203791 + ... + 1205586.

Almost surely, 2^2163620546 is an apocalyptic number.

2163620546 is a deficient number, since it is larger than the sum of its proper divisors (1089039754).

2163620546 is a wasteful number, since it uses less digits than its factorization.

2163620546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409828.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 2163620546 is about 46514.7347192263. The cubic root of 2163620546 is about 1293.3826543673.

The spelling of 2163620546 in words is "two billion, one hundred sixty-three million, six hundred twenty thousand, five hundred forty-six".