4016021506 has 16 divisors (see below), whose sum is σ = 6947772480. Its totient is φ = 1705361040.

The previous prime is 4016021461. The next prime is 4016021531. The reversal of 4016021506 is 6051206104.

4016021506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4016021506² = 32256857473309016072, which contains 22 as substring.

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, 1314340 + ... + 1317391.

It is an arithmetic number, because the mean of its divisors is an integer number (434235780).

Almost surely, 2^4016021506 is an apocalyptic number.

4016021506 is a deficient number, since it is larger than the sum of its proper divisors (2931750974).

4016021506 is a wasteful number, since it uses less digits than its factorization.

4016021506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631849.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 4016021506 is about 63372.0877516277. The cubic root of 4016021506 is about 1589.5176082334.

The spelling of 4016021506 in words is "four billion, sixteen million, twenty-one thousand, five hundred six".