1749545616 has 160 divisors (see below), whose sum is σ = 5890123008. Its totient is φ = 434257920.

The previous prime is 1749545597. The next prime is 1749545617. The reversal of 1749545616 is 6165459471.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1749545617) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62476 + ... + 86036.

Almost surely, 2^1749545616 is an apocalyptic number.

1749545616 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 1749545616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2945061504).

1749545616 is an abundant number, since it is smaller than the sum of its proper divisors (4140577392).

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

1749545616 is a wasteful number, since it uses less digits than its factorization.

1749545616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23609 (or 23603 counting only the distinct ones).

The product of its digits is 907200, while the sum is 48.

The square root of 1749545616 is about 41827.5700465614. The cubic root of 1749545616 is about 1204.9668249563.

The spelling of 1749545616 in words is "one billion, seven hundred forty-nine million, five hundred forty-five thousand, six hundred sixteen".