611512066 has 32 divisors (see below), whose sum is σ = 1074487680. Its totient is φ = 257913600.

The previous prime is 611512037. The next prime is 611512079. The reversal of 611512066 is 660215116.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15040 + ... + 38068.

It is an arithmetic number, because the mean of its divisors is an integer number (33577740).

Almost surely, 2^611512066 is an apocalyptic number.

611512066 is a deficient number, since it is larger than the sum of its proper divisors (462975614).

611512066 is a wasteful number, since it uses less digits than its factorization.

611512066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23130.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 611512066 is about 24728.7700058050. The cubic root of 611512066 is about 848.7927803655.

It can be divided in two parts, 6115 and 12066, that added together give a palindrome (18181).

The spelling of 611512066 in words is "six hundred eleven million, five hundred twelve thousand, sixty-six".