1896400153172 has 24 divisors (see below), whose sum is σ = 3805154721984. Its totient is φ = 810095548032.

The previous prime is 1896400153169. The next prime is 1896400153177. The reversal of 1896400153172 is 2713510046981.

It is a super-3 number, since 3×1896400153172³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1896400153177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110298533 + ... + 110315724.

It is an arithmetic number, because the mean of its divisors is an integer number (158548113416).

It is a 1-persistent number, because it is pandigital, but 2⋅1896400153172 = 3792800306344 is not.

Almost surely, 2^{1896400153172} is an apocalyptic number.

It is an amenable number.

1896400153172 is an abundant number, since it is smaller than the sum of its proper divisors (1908754568812).

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

1896400153172 is a wasteful number, since it uses less digits than its factorization.

1896400153172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220614575 (or 220614573 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 1896400153172 in words is "one trillion, eight hundred ninety-six billion, four hundred million, one hundred fifty-three thousand, one hundred seventy-two".