2061662992 has 20 divisors (see below), whose sum is σ = 3995896156. Its totient is φ = 1030464000.

The previous prime is 2061662923. The next prime is 2061663011. The reversal of 2061662992 is 2992661602.

It can be written as a sum of positive squares in 2 ways, for example, as 356303376 + 1705359616 = 18876^2 + 41296^2 .

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, 26548 + ... + 69484.

Almost surely, 2^2061662992 is an apocalyptic number.

It is an amenable number.

2061662992 is a deficient number, since it is larger than the sum of its proper divisors (1934233164).

2061662992 is a wasteful number, since it uses less digits than its factorization.

2061662992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45946 (or 45940 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 2061662992 is about 45405.5392215531. The cubic root of 2061662992 is about 1272.7386273495.

The spelling of 2061662992 in words is "two billion, sixty-one million, six hundred sixty-two thousand, nine hundred ninety-two".