4005646020162 has 20 divisors (see below), whose sum is σ = 8975614230726. Its totient is φ = 1335215340000.

The previous prime is 4005646020121. The next prime is 4005646020169. The reversal of 4005646020162 is 2610206465004.

4005646020162 is a `hidden beast` number, since 4 + 0 + 0 + 5 + 646 + 0 + 2 + 0 + 1 + 6 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4005645990921 + 29241 = 2001411^2 + 171^2 .

It is not an unprimeable number, because it can be changed into a prime (4005646020169) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12363104839 + ... + 12363105162.

Almost surely, 2^{4005646020162} is an apocalyptic number.

4005646020162 is an abundant number, since it is smaller than the sum of its proper divisors (4969968210564).

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

4005646020162 is a wasteful number, since it uses less digits than its factorization.

4005646020162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24726210015 (or 24726210006 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 4005646020162 in words is "four trillion, five billion, six hundred forty-six million, twenty thousand, one hundred sixty-two".