511151611166 has 24 divisors (see below), whose sum is σ = 908735853960. Its totient is φ = 214931672592.

The previous prime is 511151611129. The next prime is 511151611171. The reversal of 511151611166 is 661116151115.

It is a super-2 number, since 2×511151611166² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49200776 + ... + 49211163.

It is an arithmetic number, because the mean of its divisors is an integer number (37863993915).

Almost surely, 2^511151611166 is an apocalyptic number.

511151611166 is a deficient number, since it is larger than the sum of its proper divisors (397584242794).

511151611166 is a wasteful number, since it uses less digits than its factorization.

511151611166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98412008 (or 98412001 counting only the distinct ones).

The product of its digits is 5400, while the sum is 35.

The spelling of 511151611166 in words is "five hundred eleven billion, one hundred fifty-one million, six hundred eleven thousand, one hundred sixty-six".