1601697760840 has 32 divisors (see below), whose sum is σ = 3760507788480. Its totient is φ = 612823490752.

The previous prime is 1601697760829. The next prime is 1601697760889. The reversal of 1601697760840 is 480677961061.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 870486994 + ... + 870488833.

It is an arithmetic number, because the mean of its divisors is an integer number (117515868390).

Almost surely, 2^{1601697760840} is an apocalyptic number.

1601697760840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1601697760840 is an abundant number, since it is smaller than the sum of its proper divisors (2158810027640).

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

1601697760840 is a wasteful number, since it uses less digits than its factorization.

1601697760840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740975861 (or 1740975857 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 55.

The spelling of 1601697760840 in words is "one trillion, six hundred one billion, six hundred ninety-seven million, seven hundred sixty thousand, eight hundred forty".