1628783546 has 16 divisors (see below), whose sum is σ = 2648542848. Its totient is φ = 746766000.

The previous prime is 1628783537. The next prime is 1628783561. The reversal of 1628783546 is 6453878261.

It is a junction number, because it is equal to n+sod(n) for n = 1628783494 and 1628783503.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203510 + ... + 211361.

It is an arithmetic number, because the mean of its divisors is an integer number (165533928).

Almost surely, 2^1628783546 is an apocalyptic number.

1628783546 is a deficient number, since it is larger than the sum of its proper divisors (1019759302).

1628783546 is a wasteful number, since it uses less digits than its factorization.

1628783546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415037.

The product of its digits is 1935360, while the sum is 50.

The square root of 1628783546 is about 40358.1905689539. The cubic root of 1628783546 is about 1176.5790861455.

The spelling of 1628783546 in words is "one billion, six hundred twenty-eight million, seven hundred eighty-three thousand, five hundred forty-six".