55161600151651 has 4 divisors (see below), whose sum is σ = 63041828744752. Its totient is φ = 47281371558552.

The previous prime is 55161600151649. The next prime is 55161600151751. The reversal of 55161600151651 is 15615100616155.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55161600151651 - 2¹ = 55161600151649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55161600151598 and 55161600151607.

It is not an unprimeable number, because it can be changed into a prime (55161600151751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3940114296540 + ... + 3940114296553.

It is an arithmetic number, because the mean of its divisors is an integer number (15760457186188).

Almost surely, 2^{55161600151651} is an apocalyptic number.

55161600151651 is a deficient number, since it is larger than the sum of its proper divisors (7880228593101).

55161600151651 is an equidigital number, since it uses as much as digits as its factorization.

55161600151651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7880228593100.

The product of its (nonzero) digits is 135000, while the sum is 43.

The spelling of 55161600151651 in words is "fifty-five trillion, one hundred sixty-one billion, six hundred million, one hundred fifty-one thousand, six hundred fifty-one".