1355871616 has 64 divisors (see below), whose sum is σ = 3101860800. Its totient is φ = 583856640.

The previous prime is 1355871613. The next prime is 1355871619. The reversal of 1355871616 is 6161785531.

It is an interprime number because it is at equal distance from previous prime (1355871613) and next prime (1355871619).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355871611) 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, 1411 + ... + 52093.

It is an arithmetic number, because the mean of its divisors is an integer number (48466575).

Almost surely, 2^1355871616 is an apocalyptic number.

1355871616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1355871616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1550930400).

1355871616 is an abundant number, since it is smaller than the sum of its proper divisors (1745989184).

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

1355871616 is a wasteful number, since it uses less digits than its factorization.

1355871616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50727 (or 50715 counting only the distinct ones).

The product of its digits is 151200, while the sum is 43.

The square root of 1355871616 is about 36822.1620223474. The cubic root of 1355871616 is about 1106.8094446517.

The spelling of 1355871616 in words is "one billion, three hundred fifty-five million, eight hundred seventy-one thousand, six hundred sixteen".