1601048878278 has 16 divisors (see below), whose sum is σ = 3202114614336. Its totient is φ = 533680149800.

The previous prime is 1601048878259. The next prime is 1601048878337. The reversal of 1601048878278 is 8728788401061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 769525 + ... + 1947887.

It is an arithmetic number, because the mean of its divisors is an integer number (200132163396).

Almost surely, 2^{1601048878278} is an apocalyptic number.

1601048878278 is an abundant number, since it is smaller than the sum of its proper divisors (1601065736058).

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

1601048878278 is a wasteful number, since it uses less digits than its factorization.

1601048878278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404819.

The product of its (nonzero) digits is 9633792, while the sum is 60.

The spelling of 1601048878278 in words is "one trillion, six hundred one billion, forty-eight million, eight hundred seventy-eight thousand, two hundred seventy-eight".