16215372261494 has 8 divisors (see below), whose sum is σ = 27797781019728. Its totient is φ = 6949445254920.

The previous prime is 16215372261493. The next prime is 16215372261547. The reversal of 16215372261494 is 49416227351261.

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

It is a super-2 number, since 2×16215372261494² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16215372261493) 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, 579120437897 + ... + 579120437924.

It is an arithmetic number, because the mean of its divisors is an integer number (3474722627466).

Almost surely, 2^{16215372261494} is an apocalyptic number.

16215372261494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16215372261494 is a deficient number, since it is larger than the sum of its proper divisors (11582408758234).

16215372261494 is a wasteful number, since it uses less digits than its factorization.

16215372261494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158240875830.

The product of its digits is 4354560, while the sum is 53.

The spelling of 16215372261494 in words is "sixteen trillion, two hundred fifteen billion, three hundred seventy-two million, two hundred sixty-one thousand, four hundred ninety-four".