126361020163621 has 8 divisors (see below), whose sum is σ = 127216152580320. Its totient is φ = 125507321332272.

The previous prime is 126361020163607. The next prime is 126361020163661.

126361020163621 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 126361020163621 - 2⁷ = 126361020163493 is a prime.

It is a super-2 number, since 2×126361020163621² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126361020163661) 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, 358219455 + ... + 358572028.

It is an arithmetic number, because the mean of its divisors is an integer number (15902019072540).

Almost surely, 2^{126361020163621} is an apocalyptic number.

It is an amenable number.

126361020163621 is a deficient number, since it is larger than the sum of its proper divisors (855132416699).

126361020163621 is a wasteful number, since it uses less digits than its factorization.

126361020163621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716792675.

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 126361020163621 in words is "one hundred twenty-six trillion, three hundred sixty-one billion, twenty million, one hundred sixty-three thousand, six hundred twenty-one".