1078162661280 has 96 divisors (see below), whose sum is σ = 3416549238144. Its totient is φ = 285788404736.

The previous prime is 1078162661267. The next prime is 1078162661291. The reversal of 1078162661280 is 821662618701.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1078162661280² (a number of 25 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6644907 + ... + 6805226.

It is an arithmetic number, because the mean of its divisors is an integer number (35589054564).

Almost surely, 2^{1078162661280} is an apocalyptic number.

1078162661280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1078162661280 is an abundant number, since it is smaller than the sum of its proper divisors (2338386576864).

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

1078162661280 is a wasteful number, since it uses less digits than its factorization.

1078162661280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13450318 (or 13450310 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 1078162661280 in words is "one trillion, seventy-eight billion, one hundred sixty-two million, six hundred sixty-one thousand, two hundred eighty".