1601358998400 has 288 divisors, whose sum is σ = 6530304690000. Its totient is φ = 366024867840.

The previous prime is 1601358998383. The next prime is 1601358998411. The reversal of 1601358998400 is 48998531061.

1601358998400 is a `hidden beast` number, since 1 + 6 + 0 + 13 + 589 + 9 + 8 + 40 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3770025 + ... + 4173224.

Almost surely, 2^{1601358998400} is an apocalyptic number.

1601358998400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1601358998400 is an abundant number, since it is smaller than the sum of its proper divisors (4928945691600).

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

1601358998400 is a wasteful number, since it uses less digits than its factorization.

1601358998400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7943286 (or 7943266 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The spelling of 1601358998400 in words is "one trillion, six hundred one billion, three hundred fifty-eight million, nine hundred ninety-eight thousand, four hundred".