16550772 has 24 divisors (see below), whose sum is σ = 44135616. Its totient is φ = 4728768.

The previous prime is 16550753. The next prime is 16550791. The reversal of 16550772 is 27705561.

It is an interprime number because it is at equal distance from previous prime (16550753) and next prime (16550791).

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, 98433 + ... + 98600.

It is an arithmetic number, because the mean of its divisors is an integer number (1838984).

Almost surely, 2^16550772 is an apocalyptic number.

16550772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16550772 is an abundant number, since it is smaller than the sum of its proper divisors (27584844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16550772 is a wasteful number, since it uses less digits than its factorization.

16550772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197047 (or 197045 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 16550772 is about 4068.2640032328. The cubic root of 16550772 is about 254.8430252644.

The spelling of 16550772 in words is "sixteen million, five hundred fifty thousand, seven hundred seventy-two".