2146625553 has 8 divisors (see below), whose sum is σ = 2863801600. Its totient is φ = 1430266608.

The previous prime is 2146625527. The next prime is 2146625587. The reversal of 2146625553 is 3555266412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2146625553 - 2⁵ = 2146625521 is a prime.

It is a super-3 number, since 3×2146625553³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2146625053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198118 + ... + 208671.

It is an arithmetic number, because the mean of its divisors is an integer number (357975200).

Almost surely, 2^2146625553 is an apocalyptic number.

It is an amenable number.

2146625553 is a deficient number, since it is larger than the sum of its proper divisors (717176047).

2146625553 is a wasteful number, since it uses less digits than its factorization.

2146625553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408551.

The product of its digits is 216000, while the sum is 39.

The square root of 2146625553 is about 46331.6905907825. The cubic root of 2146625553 is about 1289.9872909030.

The spelling of 2146625553 in words is "two billion, one hundred forty-six million, six hundred twenty-five thousand, five hundred fifty-three".