1928630016 has 54 divisors (see below), whose sum is σ = 5560722440. Its totient is φ = 642875904.

The previous prime is 1928630009. The next prime is 1928630021. The reversal of 1928630016 is 6100368291.

1928630016 is a `hidden beast` number, since 1 + 9 + 2 + 8 + 630 + 0 + 16 = 666.

It is a super-2 number, since 2×1928630016² = 7439227477232320512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 416236 + ... + 420843.

Almost surely, 2^1928630016 is an apocalyptic number.

1928630016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1928630016 is an abundant number, since it is smaller than the sum of its proper divisors (3632092424).

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

1928630016 is an equidigital number, since it uses as much as digits as its factorization.

1928630016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837101 (or 837084 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 1928630016 is about 43916.1703248359. The cubic root of 1928630016 is about 1244.7524044336.

The spelling of 1928630016 in words is "one billion, nine hundred twenty-eight million, six hundred thirty thousand, sixteen".