2601631516 has 48 divisors (see below), whose sum is σ = 5272761312. Its totient is φ = 1110067200.

The previous prime is 2601631481. The next prime is 2601631523. The reversal of 2601631516 is 6151361062.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292576 + ... + 301336.

It is an arithmetic number, because the mean of its divisors is an integer number (109849194).

Almost surely, 2^2601631516 is an apocalyptic number.

It is an amenable number.

2601631516 is an abundant number, since it is smaller than the sum of its proper divisors (2671129796).

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

2601631516 is a wasteful number, since it uses less digits than its factorization.

2601631516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9190 (or 9188 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 2601631516 is about 51006.1909575691. The cubic root of 2601631516 is about 1375.3564283257.

Adding to 2601631516 its reverse (6151361062), we get a palindrome (8752992578).

The spelling of 2601631516 in words is "two billion, six hundred one million, six hundred thirty-one thousand, five hundred sixteen".