1097816736 has 48 divisors (see below), whose sum is σ = 2899489824. Its totient is φ = 363688704.

The previous prime is 1097816723. The next prime is 1097816761. The reversal of 1097816736 is 6376187901.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

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

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, 19431 + ... + 50726.

It is an arithmetic number, because the mean of its divisors is an integer number (60406038).

Almost surely, 2^1097816736 is an apocalyptic number.

1097816736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1097816736 is an abundant number, since it is smaller than the sum of its proper divisors (1801673088).

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

1097816736 is a wasteful number, since it uses less digits than its factorization.

1097816736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70333 (or 70325 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 1097816736 is about 33133.3176123370. The cubic root of 1097816736 is about 1031.5967116007.

The spelling of 1097816736 in words is "one billion, ninety-seven million, eight hundred sixteen thousand, seven hundred thirty-six".