511151616 has 60 divisors (see below), whose sum is σ = 1475231472. Its totient is φ = 170382336.

The previous prime is 511151569. The next prime is 511151617. The reversal of 511151616 is 616151115.

It is a super-2 number, since 2×511151616² = 522551949078822912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 511151616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511151617) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50856 + ... + 60071.

Almost surely, 2^511151616 is an apocalyptic number.

It is an amenable number.

511151616 is an abundant number, since it is smaller than the sum of its proper divisors (964079856).

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

511151616 is a wasteful number, since it uses less digits than its factorization.

511151616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110951 (or 110932 counting only the distinct ones).

The product of its digits is 900, while the sum is 27.

The square root of 511151616 is about 22608.6624106779. The cubic root of 511151616 is about 799.5578890507.

The spelling of 511151616 in words is "five hundred eleven million, one hundred fifty-one thousand, six hundred sixteen".