2161460624542 has 8 divisors (see below), whose sum is σ = 3242210731632. Its totient is φ = 1080723714000.

The previous prime is 2161460624503. The next prime is 2161460624549. The reversal of 2161460624542 is 2454260641612.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2161460624549) 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, 2878959 + ... + 3551242.

It is an arithmetic number, because the mean of its divisors is an integer number (405276341454).

Almost surely, 2^{2161460624542} is an apocalyptic number.

2161460624542 is a deficient number, since it is larger than the sum of its proper divisors (1080750107090).

2161460624542 is a wasteful number, since it uses less digits than its factorization.

2161460624542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6598274.

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 2161460624542 in words is "two trillion, one hundred sixty-one billion, four hundred sixty million, six hundred twenty-four thousand, five hundred forty-two".