510091016 has 8 divisors (see below), whose sum is σ = 956420670. Its totient is φ = 255045504.

The previous prime is 510091013. The next prime is 510091031. The reversal of 510091016 is 610190015.

It can be written as a sum of positive squares in only one way, i.e., 508322116 + 1768900 = 22546^2 + 1330^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 510090982 and 510091000.

It is not an unprimeable number, because it can be changed into a prime (510091013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31880681 + ... + 31880696.

Almost surely, 2^510091016 is an apocalyptic number.

It is an amenable number.

510091016 is a deficient number, since it is larger than the sum of its proper divisors (446329654).

510091016 is a wasteful number, since it uses less digits than its factorization.

510091016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63761383 (or 63761379 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 23.

The square root of 510091016 is about 22585.1946194847. The cubic root of 510091016 is about 799.0044992366.

It can be divided in two parts, 51009 and 1016, that added together give a palindrome (52025).

The spelling of 510091016 in words is "five hundred ten million, ninety-one thousand, sixteen".