16461621725154 has 32 divisors (see below), whose sum is σ = 33193118386176. Its totient is φ = 5442255786240.

The previous prime is 16461621725147. The next prime is 16461621725161. The reversal of 16461621725154 is 45152712616461.

It is an interprime number because it is at equal distance from previous prime (16461621725147) and next prime (16461621725161).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16461621725097 and 16461621725106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1082737 + ... + 5839140.

It is an arithmetic number, because the mean of its divisors is an integer number (1037284949568).

Almost surely, 2^{16461621725154} is an apocalyptic number.

16461621725154 is an abundant number, since it is smaller than the sum of its proper divisors (16731496661022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16461621725154 is a wasteful number, since it uses less digits than its factorization.

16461621725154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6925130.

The product of its digits is 2419200, while the sum is 51.

The spelling of 16461621725154 in words is "sixteen trillion, four hundred sixty-one billion, six hundred twenty-one million, seven hundred twenty-five thousand, one hundred fifty-four".