1601186898432 has 160 divisors (see below), whose sum is σ = 4803562266624. Its totient is φ = 469556121600.

The previous prime is 1601186898427. The next prime is 1601186898449. The reversal of 1601186898432 is 2348986811061.

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, 1004728 + ... + 2052279.

Almost surely, 2^{1601186898432} is an apocalyptic number.

1601186898432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1601186898432 is an abundant number, since it is smaller than the sum of its proper divisors (3202375368192).

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

1601186898432 is a wasteful number, since it uses less digits than its factorization.

1601186898432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057070 (or 3057054 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 57.

The spelling of 1601186898432 in words is "one trillion, six hundred one billion, one hundred eighty-six million, eight hundred ninety-eight thousand, four hundred thirty-two".