16406601405054 has 16 divisors (see below), whose sum is σ = 37500803211648. Its totient is φ = 4687600401432.

The previous prime is 16406601405023. The next prime is 16406601405119. The reversal of 16406601405054 is 45050410660461.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 390633366787 = 16406601405054 / (1 + 6 + 4 + 0 + 6 + 6 + 0 + 1 + 4 + 0 + 5 + 0 + 5 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 16406601404997 and 16406601405015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195316683352 + ... + 195316683435.

It is an arithmetic number, because the mean of its divisors is an integer number (2343800200728).

Almost surely, 2^{16406601405054} is an apocalyptic number.

16406601405054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16406601405054 is an abundant number, since it is smaller than the sum of its proper divisors (21094201806594).

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

16406601405054 is a wasteful number, since it uses less digits than its factorization.

16406601405054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390633366799.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 16406601405054 in words is "sixteen trillion, four hundred six billion, six hundred one million, four hundred five thousand, fifty-four".