1616160428 has 12 divisors (see below), whose sum is σ = 2829322272. Its totient is φ = 807782640.

The previous prime is 1616160409. The next prime is 1616160439. The reversal of 1616160428 is 8240616161.

It is a super-2 number, since 2×1616160428² = 5223949058066286368, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61943 + ... + 84078.

It is an arithmetic number, because the mean of its divisors is an integer number (235776856).

Almost surely, 2^1616160428 is an apocalyptic number.

It is an amenable number.

1616160428 is a deficient number, since it is larger than the sum of its proper divisors (1213161844).

1616160428 is a wasteful number, since it uses less digits than its factorization.

1616160428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148792 (or 148790 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 1616160428 is about 40201.4978327923. The cubic root of 1616160428 is about 1173.5316931413.

Adding to 1616160428 its reverse (8240616161), we get a palindrome (9856776589).

The spelling of 1616160428 in words is "one billion, six hundred sixteen million, one hundred sixty thousand, four hundred twenty-eight".