1600720374540 has 96 divisors (see below), whose sum is σ = 5125866762240. Its totient is φ = 365624545536.

The previous prime is 1600720374457. The next prime is 1600720374559. The reversal of 1600720374540 is 454730270061.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 719887 + ... + 1928646.

It is an arithmetic number, because the mean of its divisors is an integer number (53394445440).

Almost surely, 2^{1600720374540} is an apocalyptic number.

1600720374540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1600720374540 is an abundant number, since it is smaller than the sum of its proper divisors (3525146387700).

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

1600720374540 is a wasteful number, since it uses less digits than its factorization.

1600720374540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649991 (or 2649989 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 39.

The spelling of 1600720374540 in words is "one trillion, six hundred billion, seven hundred twenty million, three hundred seventy-four thousand, five hundred forty".