1616221048 has 32 divisors (see below), whose sum is σ = 3339428400. Its totient is φ = 728598528.

The previous prime is 1616221039. The next prime is 1616221049. The reversal of 1616221048 is 8401226161.

It is a super-2 number, since 2×1616221048² = 5224340951996436608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616221049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176233 + ... + 185176.

Almost surely, 2^1616221048 is an apocalyptic number.

It is an amenable number.

1616221048 is an abundant number, since it is smaller than the sum of its proper divisors (1723207352).

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

1616221048 is a wasteful number, since it uses less digits than its factorization.

1616221048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361471 (or 361467 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 1616221048 is about 40202.2517777301. The cubic root of 1616221048 is about 1173.5463654888.

The spelling of 1616221048 in words is "one billion, six hundred sixteen million, two hundred twenty-one thousand, forty-eight".