6151920 has 40 divisors (see below), whose sum is σ = 19071696. Its totient is φ = 1640448.

The previous prime is 6151907. The next prime is 6151931. The reversal of 6151920 is 291516.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×6151920² = 75692239372800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 12577 + ... + 13056.

Almost surely, 2^6151920 is an apocalyptic number.

6151920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6151920 is an abundant number, since it is smaller than the sum of its proper divisors (12919776).

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

6151920 is a wasteful number, since it uses less digits than its factorization.

6151920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25649 (or 25643 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 6151920 is about 2480.3064326813. The cubic root of 6151920 is about 183.2329441209.

The spelling of 6151920 in words is "six million, one hundred fifty-one thousand, nine hundred twenty".