1630254616 has 16 divisors (see below), whose sum is σ = 3083779800. Its totient is φ = 807913344.

The previous prime is 1630254583. The next prime is 1630254617. The reversal of 1630254616 is 6164520361.

It is a super-2 number, since 2×1630254616² = 5315460225978614912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630254617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 900786 + ... + 902593.

Almost surely, 2^1630254616 is an apocalyptic number.

It is an amenable number.

1630254616 is a deficient number, since it is larger than the sum of its proper divisors (1453525184).

1630254616 is a wasteful number, since it uses less digits than its factorization.

1630254616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803498 (or 1803494 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 1630254616 is about 40376.4116285734. The cubic root of 1630254616 is about 1176.9331969139.

Adding to 1630254616 its reverse (6164520361), we get a palindrome (7794774977).

The spelling of 1630254616 in words is "one billion, six hundred thirty million, two hundred fifty-four thousand, six hundred sixteen".