29154196516 has 27 divisors (see below), whose sum is σ = 51935135259. Its totient is φ = 14320125528.

The previous prime is 29154196469. The next prime is 29154196541. The reversal of 29154196516 is 61569145192.

The square root of 29154196516 is 170746.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29154196516.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 20147305 + ... + 20148751.

Almost surely, 2^29154196516 is an apocalyptic number.

29154196516 is the 170746-th square number.

It is an amenable number.

29154196516 is a deficient number, since it is larger than the sum of its proper divisors (22780938743).

29154196516 is an frugal number, since it uses more digits than its factorization.

29154196516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3016 (or 1508 counting only the distinct ones).

The product of its digits is 583200, while the sum is 49.

Multiplying 29154196516 by its sum of digits (49), we get a square (1428555629284 = 1195222²).

The spelling of 29154196516 in words is "twenty-nine billion, one hundred fifty-four million, one hundred ninety-six thousand, five hundred sixteen".