16211515480634 has 48 divisors (see below), whose sum is σ = 25912091709504. Its totient is φ = 7592411798400.

The previous prime is 16211515480621. The next prime is 16211515480681. The reversal of 16211515480634 is 43608451511261.

It is a super-4 number, since 4×16211515480634⁴ (a number of 54 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67200089 + ... + 67440899.

It is an arithmetic number, because the mean of its divisors is an integer number (539835243948).

Almost surely, 2^{16211515480634} is an apocalyptic number.

16211515480634 is a deficient number, since it is larger than the sum of its proper divisors (9700576228870).

16211515480634 is a wasteful number, since it uses less digits than its factorization.

16211515480634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241463 (or 241410 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 47.

Adding to 16211515480634 its reverse (43608451511261), we get a palindrome (59819966991895).

The spelling of 16211515480634 in words is "sixteen trillion, two hundred eleven billion, five hundred fifteen million, four hundred eighty thousand, six hundred thirty-four".