5161621035453 has 8 divisors (see below), whose sum is σ = 7119477290400. Its totient is φ = 3322422735408.

The previous prime is 5161621035449. The next prime is 5161621035587. The reversal of 5161621035453 is 3545301261615.

It is a happy number.

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

It is not a de Polignac number, because 5161621035453 - 2² = 5161621035449 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5161621035443) 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, 29664488623 + ... + 29664488796.

It is an arithmetic number, because the mean of its divisors is an integer number (889934661300).

Almost surely, 2^{5161621035453} is an apocalyptic number.

It is an amenable number.

5161621035453 is a deficient number, since it is larger than the sum of its proper divisors (1957856254947).

5161621035453 is a wasteful number, since it uses less digits than its factorization.

5161621035453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59328977451.

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 5161621035453 in words is "five trillion, one hundred sixty-one billion, six hundred twenty-one million, thirty-five thousand, four hundred fifty-three".