916437543480 has 256 divisors, whose sum is σ = 3270075840000. Its totient is φ = 227596677120.

The previous prime is 916437543457. The next prime is 916437543491. The reversal of 916437543480 is 84345734619.

916437543480 is a `hidden beast` number, since 9 + 1 + 64 + 3 + 75 + 434 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 832200 + ... + 1589160.

It is an arithmetic number, because the mean of its divisors is an integer number (12773733750).

Almost surely, 2^916437543480 is an apocalyptic number.

916437543480 is a gapful number since it is divisible by the number (90) 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 916437543480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1635037920000).

916437543480 is an abundant number, since it is smaller than the sum of its proper divisors (2353638296520).

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

916437543480 is a wasteful number, since it uses less digits than its factorization.

916437543480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757059 (or 757049 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 916437543480 in words is "nine hundred sixteen billion, four hundred thirty-seven million, five hundred forty-three thousand, four hundred eighty".