2212161552537 has 8 divisors (see below), whose sum is σ = 2949558054240. Its totient is φ = 1474769709600.

The previous prime is 2212161552527. The next prime is 2212161552547. The reversal of 2212161552537 is 7352551612122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2212161552527) and next prime (2212161552547).

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

It is not a de Polignac number, because 2212161552537 - 2⁸ = 2212161552281 is a prime.

It is a super-2 number, since 2×2212161552537² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2212161552527) 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, 157789 + ... + 2109317.

It is an arithmetic number, because the mean of its divisors is an integer number (368694756780).

Almost surely, 2^{2212161552537} is an apocalyptic number.

It is an amenable number.

2212161552537 is a deficient number, since it is larger than the sum of its proper divisors (737396501703).

2212161552537 is a wasteful number, since it uses less digits than its factorization.

2212161552537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2329383.

The product of its digits is 252000, while the sum is 42.

The spelling of 2212161552537 in words is "two trillion, two hundred twelve billion, one hundred sixty-one million, five hundred fifty-two thousand, five hundred thirty-seven".