501061611066 has 16 divisors (see below), whose sum is σ = 1002181667904. Its totient is φ = 167010796064.

The previous prime is 501061611053. The next prime is 501061611073. The reversal of 501061611066 is 660116160105.

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, 2323395 + ... + 2529878.

It is an arithmetic number, because the mean of its divisors is an integer number (62636354244).

Almost surely, 2^501061611066 is an apocalyptic number.

501061611066 is an abundant number, since it is smaller than the sum of its proper divisors (501120056838).

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

501061611066 is a wasteful number, since it uses less digits than its factorization.

501061611066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4870485.

The product of its (nonzero) digits is 6480, while the sum is 33.

The spelling of 501061611066 in words is "five hundred one billion, sixty-one million, six hundred eleven thousand, sixty-six".