1078680665546 has 32 divisors (see below), whose sum is σ = 1779082704000. Its totient is φ = 486437010880.

The previous prime is 1078680665519. The next prime is 1078680665561. The reversal of 1078680665546 is 6455660868701.

It is a super-2 number, since 2×1078680665546² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2554136 + ... + 2946348.

It is an arithmetic number, because the mean of its divisors is an integer number (55596334500).

Almost surely, 2^{1078680665546} is an apocalyptic number.

1078680665546 is a deficient number, since it is larger than the sum of its proper divisors (700402038454).

1078680665546 is a wasteful number, since it uses less digits than its factorization.

1078680665546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393214.

The product of its (nonzero) digits is 58060800, while the sum is 62.

The spelling of 1078680665546 in words is "one trillion, seventy-eight billion, six hundred eighty million, six hundred sixty-five thousand, five hundred forty-six".