361631016 has 24 divisors (see below), whose sum is σ = 979417530. Its totient is φ = 120543648.

The previous prime is 361630961. The next prime is 361631041. The reversal of 361631016 is 610136163.

It is a happy number.

361631016 is a `hidden beast` number, since 3 + 616 + 31 + 0 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 290566116 + 71064900 = 17046^2 + 8430^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2511255 + ... + 2511398.

Almost surely, 2^361631016 is an apocalyptic number.

361631016 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

361631016 is an abundant number, since it is smaller than the sum of its proper divisors (617786514).

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

361631016 is a wasteful number, since it uses less digits than its factorization.

361631016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5022665 (or 5022658 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 361631016 is about 19016.5984339997. The cubic root of 361631016 is about 712.4513665789.

Adding to 361631016 its reverse (610136163), we get a palindrome (971767179).

The spelling of 361631016 in words is "three hundred sixty-one million, six hundred thirty-one thousand, sixteen".