11620570416 has 320 divisors, whose sum is σ = 38962839552. Its totient is φ = 2900468736.

The previous prime is 11620570349. The next prime is 11620570433. The reversal of 11620570416 is 61407502611.

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, 10347231 + ... + 10348353.

Almost surely, 2^11620570416 is an apocalyptic number.

11620570416 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 11620570416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19481419776).

11620570416 is an abundant number, since it is smaller than the sum of its proper divisors (27342269136).

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

11620570416 is a wasteful number, since it uses less digits than its factorization.

11620570416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280 (or 1274 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The spelling of 11620570416 in words is "eleven billion, six hundred twenty million, five hundred seventy thousand, four hundred sixteen".