15400161693854 has 16 divisors (see below), whose sum is σ = 26661666074976. Its totient is φ = 6534722076000.

The previous prime is 15400161693841. The next prime is 15400161693869. The reversal of 15400161693854 is 45839616100451.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 15400161693796 and 15400161693805.

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, 5445600317 + ... + 5445603144.

It is an arithmetic number, because the mean of its divisors is an integer number (1666354129686).

Almost surely, 2^{15400161693854} is an apocalyptic number.

15400161693854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

15400161693854 is a deficient number, since it is larger than the sum of its proper divisors (11261504381122).

15400161693854 is a wasteful number, since it uses less digits than its factorization.

15400161693854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10891203571.

The product of its (nonzero) digits is 3110400, while the sum is 53.

The spelling of 15400161693854 in words is "fifteen trillion, four hundred billion, one hundred sixty-one million, six hundred ninety-three thousand, eight hundred fifty-four".