1220886168416 has 12 divisors (see below), whose sum is σ = 2403619644132. Its totient is φ = 610443084192.

The previous prime is 1220886168409. The next prime is 1220886168419. The reversal of 1220886168416 is 6148616880221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220886168419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19076346350 + ... + 19076346413.

It is an arithmetic number, because the mean of its divisors is an integer number (200301637011).

Almost surely, 2^{1220886168416} is an apocalyptic number.

1220886168416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1220886168416 is a deficient number, since it is larger than the sum of its proper divisors (1182733475716).

1220886168416 is an equidigital number, since it uses as much as digits as its factorization.

1220886168416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38152692773 (or 38152692765 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 53.

The spelling of 1220886168416 in words is "one trillion, two hundred twenty billion, eight hundred eighty-six million, one hundred sixty-eight thousand, four hundred sixteen".