33556553146 has 4 divisors (see below), whose sum is σ = 50334829722. Its totient is φ = 16778276572.

The previous prime is 33556553123. The next prime is 33556553183. The reversal of 33556553146 is 64135565533.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64135565533 = 13 ⋅4933505041.

It can be written as a sum of positive squares in only one way, i.e., 21532334121 + 12024219025 = 146739^2 + 109655^2 .

It is a super-2 number, since 2×33556553146² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33556553096 and 33556553105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8389138285 + ... + 8389138288.

Almost surely, 2^33556553146 is an apocalyptic number.

33556553146 is a deficient number, since it is larger than the sum of its proper divisors (16778276576).

33556553146 is a wasteful number, since it uses less digits than its factorization.

33556553146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16778276575.

The product of its digits is 2430000, while the sum is 46.

The spelling of 33556553146 in words is "thirty-three billion, five hundred fifty-six million, five hundred fifty-three thousand, one hundred forty-six".