1616670848 has 64 divisors (see below), whose sum is σ = 3516235800. Its totient is φ = 735879168.

The previous prime is 1616670821. The next prime is 1616670911. The reversal of 1616670848 is 8480766161.

It can be written as a sum of positive squares in 4 ways, for example, as 618616384 + 998054464 = 24872^2 + 31592^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1616670848² = 5227249261546078208, which contains 22 as substring.

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, 114818 + ... + 128126.

Almost surely, 2^1616670848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1616670848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1758117900).

1616670848 is an abundant number, since it is smaller than the sum of its proper divisors (1899564952).

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

1616670848 is a wasteful number, since it uses less digits than its factorization.

1616670848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13409 (or 13397 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 1616670848 is about 40207.8456025687. The cubic root of 1616670848 is about 1173.6552227508.

The spelling of 1616670848 in words is "one billion, six hundred sixteen million, six hundred seventy thousand, eight hundred forty-eight".