28526641066 has 64 divisors (see below), whose sum is σ = 55720949760. Its totient is φ = 10620941760.

The previous prime is 28526641057. The next prime is 28526641123. The reversal of 28526641066 is 66014662582.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4456180 + ... + 4462576.

It is an arithmetic number, because the mean of its divisors is an integer number (870639840).

Almost surely, 2^28526641066 is an apocalyptic number.

28526641066 is a deficient number, since it is larger than the sum of its proper divisors (27194308694).

28526641066 is a wasteful number, since it uses less digits than its factorization.

28526641066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7699.

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 28526641066 in words is "twenty-eight billion, five hundred twenty-six million, six hundred forty-one thousand, sixty-six".