1630055016 has 40 divisors (see below), whose sum is σ = 4565665170. Its totient is φ = 543351456.

The previous prime is 1630055003. The next prime is 1630055023. The reversal of 1630055016 is 6105500361.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 826332516 + 803722500 = 28746^2 + 28350^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1257111 + ... + 1258406.

Almost surely, 2^1630055016 is an apocalyptic number.

It is an amenable number.

1630055016 is an abundant number, since it is smaller than the sum of its proper divisors (2935610154).

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

1630055016 is a wasteful number, since it uses less digits than its factorization.

1630055016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2515535 (or 2515522 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 1630055016 is about 40373.9398127059. The cubic root of 1630055016 is about 1176.8851624021.

Adding to 1630055016 its reverse (6105500361), we get a palindrome (7735555377).

The spelling of 1630055016 in words is "one billion, six hundred thirty million, fifty-five thousand, sixteen".